CPV: 35000000 Security, fire-fighting, police and defence equipment, 38000000 Laboratory, optical and precision equipments (excl. glasses), 38400000 Instruments for checking physical characteristics, 38430000 Detection and analysis apparatus, 38431000 Detection apparatus, 38431100 Gas-detection apparatus, 38433000 Spectrometers, 38500000 Checking and testing apparatus, 38540000 Machines and apparatus for testing and measuring, 38543000 Gas-detection equipment, 38544000 Drug detection apparatus, 38546000 Explosives detection system, 38546100 Bomb detectors, 50000000 Repair and maintenance services, 50400000 Repair and maintenance services of medical and precision equipment, 50410000 Repair and maintenance services of measuring, testing and checking apparatus, 50413100 Repair and maintenance services of gas-detection equipment

CPV: 09121000 Coal gas, mains gas or similar gases, 38543000 Gas-detection equipment, 38545000 Gas-testing kits

CPV: 34221200 Mobile emergency units, 38340000 Instruments for measuring quantities, 38527200 Dosimeters, 38543000 Gas-detection equipment

CPV: 31161800 Parts of gas generators, 31161200 Gas cooling systems, 38431100 Gas-detection apparatus, 38432100 Gas-analysis apparatus, 38543000 Gas-detection equipment, 42124300 Parts of air or vacuum pumps, of air or gas compressors, 42124340 Parts of gas compressors, 42514000 Machinery and apparatus for filtering or purifying gases, 42514320 Gas filters, 42980000 Gas generators, 44611100 Air cylinders

CPV: 38543000 Gas-detection equipment

CPV: 31161800 Parts of gas generators, 31161200 Gas cooling systems, 38431100 Gas-detection apparatus, 38432100 Gas-analysis apparatus, 38543000 Gas-detection equipment, 42124300 Parts of air or vacuum pumps, of air or gas compressors, 42124340 Parts of gas compressors, 42514000 Machinery and apparatus for filtering or purifying gases, 42514320 Gas filters, 42980000 Gas generators, 44611100 Air cylinders

CPV: 38543000 Gas-detection equipment, 50413100 Repair and maintenance services of gas-detection equipment

CPV: 03142400 Waxes, 03420000 Gums, 14820000 Glass, 16800000 Parts of agricultural and forestry machinery, 19510000 Rubber products, 19511000 Rubber inner tubes, treads and flaps, 32342000 Loudspeakers, 24951200 Additives for oils, 30123100 Ticket-validation machines, 39225600 Candles, 30199410 Self-adhesive paper, 30211500 Central processing unit (CPU) or processors, 31100000 Electric motors, generators and transformers, 31130000 Alternators, 31162000 Parts of transformers, inductors and static converters, 31210000 Electrical apparatus for switching or protecting electrical circuits, 31211200 Fuse boxes, 31211300 Fuses, 31214190 Limit switches, 31220000 Electrical circuit components, 31221000 Electrical relays, 31221200 General purpose relays, 31224100 Plugs and sockets, 31224200 Coaxial connectors, 31224400 Connection cables, 31224800 Cable joining kits, 31343000 Insulated cable joints, 31400000 Accumulators, primary cells and primary batteries, 31431000 Lead-acid accumulators, 31511000 Sealed-beam lamp units, 31512000 Tungsten halogen filament lamps, 31518600 Searchlights, 31519100 Incandescent lamps, 31523200 Permanent message signs, 31610000 Electrical equipment for engines and vehicles, 31630000 Magnets, 31612200 Starter motors, 31612300 Electrical signalling equipment for engines, 31612310 Blinkers, 31642000 Electronic detection apparatus, 31650000 Insulating fittings, 31680000 Electrical supplies and accessories, 31681000 Electrical accessories, 31710000 Electronic equipment, 31711110 Transceivers, 31711140 Electrodes, 31712300 Printed circuits, 31731100 Modules, 32552100 Telephone sets, 34121100 Public-service buses, 34210000 Vehicle bodies, 34211100 Bus bodies, 34220000 Trailers, semi-trailers and mobile containers, 34322000 Brakes and brake parts, 34300000 Parts and accessories for vehicles and their engines, 34310000 Engines and engine parts, 34311000 Engines, 34312000 Engine parts, 34312200 Spark plugs, 34312500 Gaskets, 34320000 Mechanical spare parts except engines and engine parts, 34328200 Vehicle conversion kits, 34328300 Seat belts, 34330000 Spare parts for goods vehicles, vans and cars, 34350000 Tyres for heavy/light-duty vehicles, 34370000 Seats for motor vehicles, 34390000 Tractor accessories, 34622300 Trolleybuses, 34913300 Fenders, 34913500 Vehicle locks, 34928430 Beacons, 34928110 Road barriers, 34928460 Road cones, 34992200 Road signs, 35100000 Emergency and security equipment, 35113300 Safety installations, 35125300 Security cameras, 37453300 Discus, 38420000 Instruments for measuring flow, level and pressure of liquids and gases, 38423100 Pressure gauges, 38543000 Gas-detection equipment, 38622000 Mirrors, 39114000 Parts of seats, 39299200 Safety glass, 39299300 Glass mirrors, 39522100 Tarpaulins, awnings and sunblinds, 39541100 Twine, cordage and rope, 39714100 Ventilators, 39810000 Odoriferous preparations and waxes, 39813000 Scouring pastes and powders, 42113150 Lubricating oil systems, 42113320 Gas-injection module, 42121100 Hydraulic or pneumatic cylinders, 42121400 Hydraulic power motors, 42122130 Water pumps, 42123000 Compressors, 42123500 Turbo-compressors, 42124000 Parts of pumps, compressors, engines or motors, 42131000 Taps, cocks and valves, 42131130 Temperature regulators, 42131140 Pressure-reducing, control, check or safety valves, 42131290 Diaphragm valves, 42140000 Gears, gearing and driving elements, 42141100 Transmission, cam- and crank- shafts, 42141110 Transmission shafts, 42141400 Flywheels and pulleys, 42141800 Universal joints, 42142000 Parts of gearing and driving elements, 42142100 Parts of gearing elements, 42411000 Pulley tackle and hoists, 42419000 Parts of lifting and handling equipment, 42419200 Parts of works trucks, 42512300 HVAC packages, 42513200 Refrigerating equipment, 42514300 Filtering apparatus, 42514320 Gas filters, 42900000 Miscellaneous general and special-purpose machinery, 42913000 Oil, petrol and air-intake filters, 42913300 Oil filters, 42913400 Petrol filters, 42913500 Air-intake filters, 42967000 Controller unit, 43313100 Snowploughs, 43600000 Parts of machinery for mining, quarrying and construction, 44111520 Thermal insulating material, 44112100 Shelters, 44112120 Profile sections, 44115310 Roller-type shutters, 44142000 Frames, 44160000 Pipeline, piping, pipes, casing, tubing and related items, 44163000 Pipes and fittings, 44163240 Pipe joints, 44174000 Foil, 44221000 Windows, doors and related items, 44221100 Windows, 44221200 Doors, 44318000 Conductors, 44321000 Cable, 44333000 Wire, 44431000 Cover plates, 44442000 Roller bearings, 44512500 Spanners, 44512940 Tool kits, 44521100 Locks, 44523300 Fittings, 44530000 Fasteners, 44531000 Threaded fasteners, 44532000 Non-threaded fasteners, 44540000 Chain, 44550000 Springs, 44610000 Tanks, reservoirs, containers and pressure vessels, 44611100 Air cylinders, 44618300 Corks, stoppers, tops for containers and lids, 44830000 Mastics, fillers, putty and solvents, 44831300 Putty, 45350000 Mechanical installations, 48810000 Information systems, 50112200 Car maintenance services, 50113000 Repair and maintenance services of buses

CPV: 09121000 Coal gas, mains gas or similar gases, 38543000 Gas-detection equipment, 38545000 Gas-testing kits

CPV: 34221200 Mobile emergency units, 38340000 Instruments for measuring quantities, 38527200 Dosimeters, 38543000 Gas-detection equipment