6
Steel pipes; Ducts of metal, for central heating installations; Sleeves [metal hardware]; Elbows of metal for pipes; Tubbing of metal; Pipes of metal; Pipe muffs of metal; Junctions of metal for pipes; Valves of metal, other than parts of machines; Pipework of metal; Fittings of metal for compressed air lines; Reinforcing materials of metal for pipes; Collars of metal for fastening pipes; Ducts of metal for ventilating and air-conditioning installations; Gratings of metal; Chimney cowls of metal; Chimney pots of metal; Fittings of metal for building; Reinforcing materials of metal for building; Building materials of metal; Manhole covers of metal; Fireplace mantles of metal; Clips of metal for cables and pipes; Steel strip; Iron strip; Wire cloth; Bands of metal for tying-up purposes; Bindings of metal; Cable joints of metal, non-electric; Washers of metal; Bolts of metal; Nails; Wall plugs of metal; Cramps of metal [crampons]; Screws of metal; Rivets of metal; Ironmongery; Buckles of common metal [hardware]; Nuts of metal
11
Ventilation hoods; Air cooling apparatus; Filters for air conditioning; Air reheaters; Air dryers; Air-conditioning installations; Air filtering installations; Fans [air-conditioning]; Air conditioners for vehicles; Heaters for vehicles; Drying apparatus; Air-conditioning apparatus; Desiccating apparatus; Gas scrubbing apparatus; Air purifying apparatus and machines; Drying apparatus and installations; Fans [parts of air-conditioning installations]; Ventilation [air-conditioning] installations and apparatus; Ventilation [air-conditioning] installations for vehicles
17
Fittings, not of metal, for compressed air lines; Reinforcing materials, not of metal, for pipes; Duct tapes; Watering hose; Flexible hoses, not of metal; Hoses of textile material; Canvas hose pipes; Connecting hose for vehicle radiators; Non-conducting materials for retaining heat; Insulating materials; Boiler composition to prevent the radiation of heat; Insulating felt; Insulating fabrics; Substances for insulating buildings against moisture; Foils of metal for insulating; Slag wool [insulator]; Mineral wool [insulator]; Glass wool for insulation; Insulators; Fibreglass for insulation; Fibreglass fabrics for insulation; Insulating plaster; Insulating refractory materials