Building construction; repair; installation services; property and real estate development; property and real estate development services; provision of information on-line over the internet in relation to all the aforesaid services; information, advisory and consultancy services relating to all the aforesaid.

Surveying services; property and real estate surveying services; arranging and facilitating the provision of property and real estate surveying services; building inspection services; engineering surveys; land and road surveys; provision of information on-line over the internet in relation to all the aforesaid services; information, advisory and consultancy services relating to all the aforesaid.

Building construction; repair; installation services; property and real estate development; property and real estate development services; provision of information on-line over the internet in relation to all the aforesaid services; information, advisory and consultancy services relating to all the aforesaid.

Surveying services; property and real estate surveying services; arranging and facilitating the provision of property and real estate surveying services; building inspection services; engineering surveys; land and road surveys; provision of information on-line over the internet in relation to all the aforesaid services; information, advisory and consultancy services relating to all the aforesaid.

Transport, packaging, storage and distribution of all kinds of goods; Travel arrangement services; Delivery of goods.

Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery; small items of metal hardware; pipes and tubes of metal; safes; ores; metal matrix composites; armour; armour made of common metals; structural armour; armour plating; armour shielding; armour shielding for protection against ballistic threat; tanks; metal ducts; seals, closures, clamps, connectors and couplings, valves (not being parts of machines); fuel tanks (metallic); metallic fuel bladders; metallic fuel containers; ducting and ducting systems; ducting and ducting systems for aircraft, space and scientific applications; metal foam; reticulated metal foam; chemically etched metal products; electrodeposited metal products; chemically etched and electrodeposited metal products; gas storage containers; parts and fittings for all the aforesaid goods.

Machines for use in the operational and control of military targets; pneumatic, hydraulic and electro-mechanical machinery for use in the operation and control of military targets; target system controllers; target system ground stations; target telemetry systems; target launchers; target recovery systems; aerial target payloads;  flight control systems incorporating Kalman filters; machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs; mechanical micro-machined devices; micro electro-mechanical systems (MEMS); mechanical ammunition handling systems and apparatus; chemical production plant; machines used in the production of chemicals; missile rocket motor cases, rocket motor propulsion apparatus; valves (being parts of machines); fuel valves; pneumatic valves;  hydraulic valves;  anti-ice valves; shut-off valves; bleed valves; pressure regulating valves;  servo valves; environmental control valves;  fuel and pneumatic controls for land based turbines (power generation and gas compression); fuel controls and connections for ground refuelling of aircraft and vehicles; fuel dispensing apparatus; engine inlets; fans and pumps for vehicles; fans and pumps; fans and pumps for aircraft applications; fans and pumps for military land based vehicles; compressors; compressors for ships; desiccant filter cartridges, manifolds, status panels, and major components for the monitoring and control of high/low pressure fluid/gas drainage and air drying systems for use in marine vessels; electrical power generators, mechanically driven, AC Generators, DC Generators, for Land vehicles, naval vehicles, aircraft (either piloted or remotely operated, or unmanned); electronic control units for electrical generators; electrical converters, taking power from an electrical source or network, and acting as source for an electrical network on board land vehicles, naval vehicles or aircraft  and the same, acting as a generator for a dedicated function or electrical use; electrical power converters for de-icing systems, including their control systems; electrical motor electronic drives, including or not including a servo-control system, for torque, for speed, for position; electrical motors: DC brush motors, DC brushless motors, induction motors, for actuation systems, fans, pumps, compressors, possibly able to be immersed into various fluids such as fuel, hydraulic fluids, frigorific fluids; servo motors; servo assemblies; electrical rotary position sensors and sensor assemblies, providing mechanical sensing, including or not including a gearbox, preferred position locking, visual indication, alignment devices, for application onto land vehicles, naval vehicles, aircraft; chemical production plant apparatus and instruments; linear actuators (mechanical); rotary actuators; valve actuators; mechanical actuators; electrical actuators; hydraulic actuators; engine control actuators; heat exchangers; fuel filters; air/oil separators; air turbine starters; starters for turbine engines; starter-generators for turbine engines; interconnecting shielded wire/cable harnesses; AC permanent magnet alternators; AC permanent magnet alternators for military vehicles, drilling apparatus, missiles, engines, ignition systems; DC permanent magnet alternators; DC permanent magnet alternators for missiles, Fly-by-Wire systems and aircraft; AC wound field alternators; AC wound field alternators for aircraft; windshield de-icing apparatus; DC wound field generators; DC wound field generators for aircraft (either piloted or remotely operated, or unmanned); hybrid homopolar generators; hybrid homopolar generators for drilling apparatus, missiles and military vehicles; generator control units; generator control units for wound field generator control and electrical power system protection; power control units; power control units for power regulation; power supply apparatus; high voltage and low voltage power supply apparatus; high voltage power supply apparatus for cathode ray tube (CRT) and travelling wave tube (TWT) applications on fighter aircraft and missiles; low voltage power supply apparatus for cockpit instruments and flat panel displays; multiple input power supplies; multiple output power supplies; multiple input and multiple output power supplies for Fly-by-Wire systems; ball screws; ball screw cartridges; ball screw assemblies; lead screws; lead screw assemblies; trash compactors for aircraft use; inlet ducts for turbine engines; composite inlet ducts for turbine engines; ice-protected composite inlet ducts for turbine engines; nacelle structures for turbine engines; exhaust flaps for turbine engines; stator vanes for turbine engines; guide vanes for turbine engines; ice impact panels for turbine engines; housings for turbine engines; air-oil separators; engines for aerial targets; rotary engines for aerial targets; machines for the deployment of countermeasures including infra-red flares, chaff or combinations thereof; machines for the deployment of towed countermeasures including radar emitters, radar reflectors, infra-red emitters, infra-red flares, chaff or combinations thereof; pressure transducers being parts of machines; automatic vending machines and mechanisms for coin operated apparatus; fuel, hydraulic and pneumatic valves and controls for aircraft; fuel and pneumatic controls for land based turbines (power generation and gas compression); machines used in the generation of hydrogen; manifolds for aircraft use; ducting and ducting systems for aircraft, space and scientific applications; filters; parts and fittings for all the aforesaid goods.

Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving, and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs;  cash registers; calculating machines, data processing equipment and computers; computer software; computer software for land based system health monitoring; computer software for aircraft system health monitoring; computer software for aircraft engine health monitoring; computer software for aircraft fire protection system monitoring and control; computer software for aircraft brake systems; computer software for aircraft landing gear control; computer software for aircraft nose wheel steering; computer software for aircraft emergency lighting systems; computer software for aircraft battery system monitoring and control; computer software for aircraft air data computation; computer software for aircraft attitude computation; computer software for aircraft cockpit displays; computer software for aircraft ice protection systems; computer hardware; computer hardware for health monitoring; computer hardware for aircraft system health monitoring; computer hardware for aircraft engine health monitoring; computer hardware for aircraft fire protection system monitoring and control; computer hardware for aircraft brake systems; computer hardware for aircraft landing gear control; computer hardware for aircraft nose wheel steering; computer hardware for aircraft emergency lighting systems; computer hardware for aircraft battery system monitoring and control; computer hardware for aircraft air data computation; computer hardware for aircraft attitude computation; computer hardware for aircraft cockpit displays; computer hardware for aircraft ice protection systems; fire-extinguishing apparatus; oxygen systems; electronic control boxes for the purpose of power management/monitoring; electronic environment (in flight ice protection) management systems; electronic circuits; switches; fuses; conductors; sensors and control systems; passive sensors; active sensors; piezoelectric sensors; magnetic sensors; piezoresistive sensors; piezoelectric transducers; optical sensors; microwave sensors; pressure sensors; dynamic pressure sensors; static pressure sensors; pressure transmitters; pressure monitoring systems for aircraft flight test; temperature sensors; temperature monitoring systems; ice sensors; oil quantity sensors; oil quality sensors; oil quantity and quality sensors; time-domain reflectometer sensors; vibration sensors; shock sensors; seismic sensors; eddy current sensors; inertial sensors; inertial measurement units; inclinometers; inclinometers with built in displays; submersible inclinometers; current sensors; brake-by-wire sensors; throttle-by-wire sensors; steering angle sensors; rotary position sensors; linear position sensors; displacement sensors; rotary torque sensors; rotary speed sensors; proximity sensors; acceleration sensors; vibration sensors; blade tip measurement sensors; blade tip measurement systems; blade tip timing systems; linear variable displacement transducers; rotary variable displacement transducers; flame sensors; flame monitoring systems; bleed air leak detectors for turbine engines; thermistors; hydrogen analysers; oxygen analysers; adaptive front lighting actuators; Hall effect sensors; pivot-point sensors; sensors and controls for land vehicles; sensors and controls for water-based vehicles; sensors and controls for aircraft; sensors and controls for white and brown goods; sensor interface systems; sensor output conditioning systems; sensor monitoring systems; sensor processing systems; Power Control Units (PCU); electronic fuel, hydraulic and pneumatic valves and controls for aircraft; electronic fuel and pneumatic controls for land based turbines (power generation and gas compression); fuel controls and connections for ground refuelling of aircraft and vehicles; fuel dispensing apparatus; acoustic sensing equipment; ultrasonic sensing equipment; spectral analysis equipment; electronic apparatus for counter measures operations; counter measure dispensers being part of decoy deployment systems, tow bodies and dispenser systems; fibre optic cabling; accelerometers; shock and/or vibration analysis apparatus; shock and/or vibration measurement apparatus; shock and/or vibration measurement and analysis apparatus; measurement and analysis apparatus and instruments; piezoelectric devices; piezoresistive devices; piezoelectric shakers; electromagnetic shakers; communication devices; transmitters and systems; software for wireless data transmission and analysis; hardware for wireless data transmission and analysis; apparatus and instruments for use in nanotechnology; electronic micro-machined devices; sound detection and analysis equipment; electro-magnetic interference (EMI) shielding; electronically conductive seals for electro-magnetic interference (EMI) shielding; aircraft cockpit instrumentation; analogue and digital displays; fuel management apparatus and instruments; fuel flow measurement apparatus; level sensors and controllers; contents gauges; oil gauges; airflow gauges; ducts; wind measurement apparatus; differential pressure transmitters all for measurement purposes; cryogenic turbine meters; electronic control apparatus and instruments; flow meters; flow metering equipment; apparatus for testing and fault detection; apparatus for detection of explosives and leaks; gas chromatography apparatus; apparatus and instruments for analysing images; ticketing apparatus; voice logging apparatus, telephone call management apparatus; electronic components; semi-conductors; hybrid circuits; integrated circuits; analogue circuits; potentiometers; sensors for medical and avionics use; mine detecting and/or mine sweeping apparatus; linear actuators (electric); control solenoids; environmental control systems; pneumatic system controllers; electro-thermal ice protection; smoke, fire, overheat detectors and controllers; fire protection systems; ignition systems; igniter plugs; ignition exciter systems; ignition cables; high temperature cables; mineral insulated cables; data acquisition apparatus; air data systems; multi-function probes; warning displays; flight instruments; electronic engine displays; transformers; electrical transformers; piezoelectric ceramics; thermal management components, equipment and systems; fluid control components, equipment and systems; electronic control boxes for fire extinguishing; gas concentration apparatus (for nuclear power generation facilities); electronic control boxes for gas concentration systems; electronic cables for microwave, radio frequency, signal, and power transmission; electronic cable connectors for microwave, radio frequency, signal, and power transmission; microwave delay lines; gas analysis by integrated smoke detector sensors seeking combustion products of fires prior to smoke production in fires; ducting and ducting systems; ducting and ducting systems for aircraft, space and scientific applications; fusion reactors; interconnecting shielded wire/cable harnesses; power control units; power control units for power regulation; transformer-rectifier units; transformer-rectifier units for aircraft; motor controllers; motor controllers for aircraft; motor controllers for AC to AC power conversion to drive air moving fan motors for wild frequency airliners; power supply apparatus; high voltage and low voltage power supply apparatus; high voltage power supply apparatus for cathode ray tube (CRT) and travelling wave tube (TWT) applications on fighter aircraft and missiles; low voltage power supply apparatus for cockpit instruments and flat panel displays; multiple input power supplies; multiple output power supplies; multiple input and multiple output power supplies for Fly-by-Wire systems; inductors, transformers and autotransformers; pc-board mounted inductors, transformers and autotransformers; inductors, transformers and autotransformers for electric engine starting; shipboard inductors, transformers and autotransformers; inductors, transformers and autotransformers for missiles; aircraft light dimmers; aircraft light dimmers for airliners and military aircraft; hall effect devices; hall effect sensing devices; hall effect devices for current sensing, proximity sensing and position sensing; magneto-resistive devices; magneto-resistive devices for current sensing; gaussmeters and gaussmeter probes; gaussmeters and gaussmeter probes for measurement of magnetic fields;  aircraft cameras; aircraft camera systems; aircraft cabin camera systems; aircraft external camera systems; aircraft collision avoidance camera systems; high definition aircraft cameras and camera systems; aircraft batteries; aircraft main-ship batteries; aircraft emergency batteries; aircraft lead-acid batteries; aircraft lithium-ion batteries; aircraft battery health monitoring systems; aircraft battery state of charge monitoring systems; aircraft battery chargers; aircraft battery management systems; wireless transmitters; wireless receivers; wireless networks;  virtual weapons training systems; weapon simulators; live-fire ranges; indoor ranges; range control systems; range targets and target systems; target retrieval mechanisms and systems; flight data recorders; oxygen regulators; oxygen respirators; oxygen storage and distribution systems; helicopter health and usage monitoring systems; systems for the detection, identification, and localisation of weapon fire; vehicle-mounted systems for the detection, identification, and localisation of weapon fire; radomes; composite radomes; radomes for satellite communications; radomes for supersonic applications; blisters to house antennas; aircraft structures with embedded antennas; structures for application in radar arrays; accumulators for vehicles; pressure transducers; tyre pressure indicator systems; aerial target simulation systems employing radar emitters, radar reflectors, infra-red emitters, infra-red flares, chaff or combinations thereof; flight control systems; flight control systems combining inertial sensing and satellite navigation; surge control valves; electric valves; solenoid valves; DC to DC converters; AC to DC converters; DC to AC converters; AC to AC converters; engine vibration monitors; fuel gauging systems; electronic navigation mapping systems; flotation bottles; electrothermal ice protection systems for aircraft; pressure transducers; parts and fittings for all the aforesaid goods.

Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth; orthopaedic articles; suture materials; heart pace-makers; ultrasonic devices; ultrasonic devices for detection of bubbles in fluid lines; low intensity pulsed ultrasound transducers; high intensity focused ultrasound transducers; oxygen breathing systems and components; medical cooling units to control body wound temperatures; parts and fittings for all the aforesaid goods.

Engine cooling systems, other than for land vehicles;  level controlling valves in tanks; water filtration and water purifying installations, water treatment and desalination plants; coarse strainers for water screening; gas purifying and sweetening installations and apparatus; light bulbs; hydrogen generation apparatus and instruments;  cooling systems for crew, pods and electronics; chemical reactors; chemical reactor apparatus and instruments; electro-thermal in flight ice protection systems for engine air intakes and components thereof; heat exchangers; shell and tube heat exchangers; plate and fin heat exchangers; diffusion bonded heat exchangers; printed circuit heat exchangers; heat exchangers for aircraft and land based applications; heat exchangers for energy applications; heat exchangers for chemical processing; pneumatic and electric heaters for aircraft applications; vapour cycle environmental control systems for aircraft; vapour cycle environmental control systems for military ground vehicles; vapour cycle environmental control systems for aircraft; vapour cycle environmental control systems for aircraft auxiliary equipment pods; vapour cycle cooling systems for electronics; fans; fans for aircraft applications; fans for military land based vehicles; fusion reactor; ball valves; air conditioning apparatus; cooling units to control personal environmental conditions; wearable cooling units to control personal environmental conditions; chiller equipment for aircraft galley use; ovens for aircraft galley use; wireless aircraft emergency lighting systems; filters; manifolds for industrial use; parts and fittings for all the aforesaid goods.

Vehicles; apparatus for locomotion by land, air or water; aircraft fuselage structures; armour plates for vehicles; armoured vehicles; vehicles incorporating ammunition handling systems; ammunition handling vehicles; aircraft and space vehicles; engine cooling apparatus for land vehicles; vapour cycle environmental control systems for aircraft; braking systems and brake control systems for aircraft and land vehicles, comprised of brakes, wheel speed transducers and brake temperature monitors, brake pedal transducers, brake control units, brake shut off valves, brake park valves, hydraulic fuses, accumulators, pressure transducers, brake data concentrator units, brake actuators, brake actuator control units, tire pressure indicator systems, nose wheel steering control and landing gear control units; aircraft wheels, namely, landing gear wheels; electrically actuated brakes for land vehicles; electrically actuated brakes for aircraft; brake linings for aircraft and land vehicles; brake segments for aircraft and land vehicles; brake shoes for aircraft and land vehicles; brake clutches for aircraft and land vehicles; brake valves for aircraft and land vehicles; parts and fittings for aircraft and land vehicle brakes, namely, brake linings, brake shoes, brake rotors, brake calipers and blocks, brake actuators, brake clutches, and brake valves; parts and fittings for brakes and braking system apparatus for aircraft, namely, brake linings, brake disks, brake segments, brake shoes, and brake linings; brake disks for land vehicles and brake disks for aircraft containing carbon-carbon composite materials; brake disks for land vehicles and brake disks for aircraft containing steel; aircraft flap brakes; aircraft landing wheel brakes; electric, hydraulic and mechanical controls for aircraft brakes, braking systems, brake control systems, and anti-skid systems; hydraulic brakes for aircraft; hydraulic brake-by-wire brakes for aircraft; analogue electrical brakes for aircraft; digital electrical brakes for aircraft; landing gear systems; landing gear and landing gear systems for aircraft comprised of brakes and wheels; wheels for aircraft, tyres for landing gear for aircraft;  unmanned air vehicles; unmanned sea vehicles; unmanned ground vehicles; unmanned helicopter vehicles;  replacement parts for aircraft brakes and wheel assemblies, namely, rotors, stators, brake linings, wear pads, torque tubes, pressure plates, backing plates, brake pistons, brake mounting hardware, piston sleeves, brake adjuster assemblies, wear pins, seals, and rivets;  aerial refuelling probes; compressors for vehicles; compressors for ships;  gaseous stored energy systems; fairings for aircraft; doors for aircraft; composite doors for aircraft; ice-protected composite doors for aircraft; composite structures for aircraft; ice-protected composite structures for aircraft; ice-protection controllers for aircraft; ice protection systems for aircraft; electrothermal ice protection systems for aircraft; bleed-air ice protection systems for aircraft; impulsive ice protection systems for aircraft; expulsive ice protection systems for aircraft;  fuel tanks for aircraft; fuel bladders for aircraft; blast and crash resistant fuel tanks for vehicles; blast and crash resistant fuel tanks for aircraft; interiors for aircraft; spinners for propellers; spinners for turbine engines; exhaust flaps for turbine engines; stator vanes for turbine engines; guide vanes for turbine engines; ice impact panels for turbine engines; housings for turbine engines;  door actuators; emergency door actuators; aircraft canopy actuators; energy dissipaters for traction systems; remotely piloted aircraft; remotely piloted boats; remotely controlled land vehicles; crew restraints for aircraft use;  sidesticks for aircraft; sidesticks with active force feedback for aircraft; sidestick controllers for aircraft; aircraft security systems; parts and fittings for all the aforesaid goods.

Firearms; ammunition and projectiles; explosives; fireworks; ammunition handling systems and apparatus; motorized weapons; aerial targets; land and marine surface targets; missiles and rockets; electric and electronic ammunition handling systems and apparatus; hydraulic ammunition handling systems and apparatus; torpedo pressure vessels; explosive cartridges; actuators being parts of weapon loading systems; actuators being parts of weapon ejecting systems; housings for munitions; housings for missiles; housings for missile launch systems; parts and fittings for all the aforesaid goods.

Paper, cardboard; printed matter; bookbinding material; photographs; stationery; adhesives for stationery or household purposes; artists' materials; paint brushes; typewriters and office requisites (except furniture); instructional and teaching material (except apparatus); plastic materials for packaging (not included in other classes); printers' type; printing blocks; paper and printed publications; publications and manuals for the installation, maintenance and repair of components, equipment and systems; paper publications, namely, manuals for use in the maintenance, installation and repair of wheels, brakes, braking systems and braking control systems and their components, tyre pressure monitoring units, nose wheel steering control and landing gear control units; parts and fittings for all the aforesaid goods.

Rubber gutta-percha, gum, asbestos, mica; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; rubber environment (in flight aircraft ice protection) management structures (semi-finished products); anti-cold insulating compositions; coatings of insulating materials; electrical insulating materials; heat insulating materials; light and sound insulating materials; insulation and sealing materials; joints; junctions; packing materials; rubber hoses; flexible pipes (not of metal); filters; electric and electronic insulating apparatus and instruments; pressure seals; hydraulic seals; joint seals; oil seals; fireproof seals; aerodynamic seals; conductive seals; seals loaded with filler materials; manifolds; shrouds; termination covers for aircraft use; mounting assemblies for aircraft use; gaskets for heat exchangers; composite structures for air-to-air refuelling systems; acoustic insulating panels for turbine engines; composite acoustic insulating panels for turbine engines; parts and fittings for all the aforesaid goods.

Containers (non-metallic); tanks; non-metallic fuel tanks; non-metallic fuel bladders; non-metallic fuel containers; parts and fittings for all the aforesaid goods.

Maintenance, installation and repair of military, aviation, marine and aerospace products; Maintenance, installation and repair of aeronautical engineering and astronautic engineering products; Maintenance, installation and repair of defence products; Maintenance, installation and repair of energy exploration, energy generation and chemical processing products; Maintenance, installation and repair of marine products; Maintenance, installation and repair of motors and engines; Maintenance, installation and repair of automobile components; Maintenance, installation and repair of medical systems; Maintenance, installation and repair of training systems; Maintenance, installation and repair of consumer products; Maintenance, installation and repair of testing and measurement products; Maintenance, installation and repair of missiles; maintenance, installation and repair services relating to industrial machinery and installations; maintenance, installation and repair services relating to military, aviation and aerospace products; installation, maintenance and repair of vehicles, namely, aircraft, land vehicles and watercraft; repair, maintenance and reconditioning of aircraft components, namely, brakes, braking systems, brake control systems, fuel tank bladders, fuel tank sealants, structures, composite structures, fairings, radomes, blisters; technical consultation in the fields of installation, repair and reconditioning for parts and fittings for aircraft, namely, wheels, brakes, braking systems, brake control systems and their components, fuel tank bladders, fuel tank sealants, structures, composite structures, fairings, radomes, blisters; repair, maintenance and reconditioning of aircraft engine components, namely, spinners, stator vanes, guide vanes, housings, acoustic panels, ice-impact panels, exhaust flaps; advisory services relating to the installation, repair and maintenance of environmental control systems; maintenance, installation, repairs and sourcing of spares for repairs and maintenance relating to fire extinguishers, gauges, pneumatic systems and equipment, master control valves, diverter valves, metering valves/flow metering equipment (FME), cartridges, crew restraints, military reels, cable tension regulators, oxygen masks, pilot masks, oxygen bottles, oxygen regulators, stowage boxes, aircruisers, pilot seat actuators, rudder travel limitation units/control modules, electronic control units (ECUs)/motors, transformer rectifiers and rotors/stators; avionic instruments.

Rental of wheelchairs.

Hydrogen production; chemical etching of metals.

Operation of virtual firearms training systems; operation of live-fire firearms training systems; virtual firearms training; firearms training; weapons training;operation of gun firing ranges; video training of military, paramilitary, security, and law enforcement services;weapon tactics training; operation of live-fire field ranges; operation of indoor ranges.

Technical consultation and research; technical consultation in the fields of aerospace, aeronautical, aviation, maritime and automotive engineering; material testing services and fault detection services; nanotechnology; design and development of wheels, brakes, braking systems, brake control systems, computer systems and computer software therefor for vehicles, namely, aircraft, land vehicles and watercraft; technical consultation in the field of the manufacture of aircraft parts, namely, wheels, brakes, braking systems and brake control systems, landing gear and nose wheel steering control systems, and components of these goods, to the order and specification of others; technical consultation in the field of aircraft parts and systems design, namely, wheels, brakes, braking systems and brake control systems and landing gear and nose wheel steering control systems; analysis of fire extinguishing gas concentrations in an aircraft engine or cargo bay as part of the aircraft suppression system certification process; operation of target systems.

Rental of passenger oxygen units and apparatus.