Water-pipes of metal; roof gutters of metal; gutter pipes of metal; chimney cowls of metal; chimneys of metal; chimney shafts of metal; drain pipes of metal; clips of metal for cables and pipes; junctions of metal for pipes; water-pipe valves of metal; drain traps [valves] of metal; chimney pots of metal; manifolds of metal for pipelines; elbows of metal for pipes; reinforcing materials of metal for pipes; pipe muffs of metal; penstock pipes of metal; casings of metal for oilwells; fireplace grates of metal; gratings of metal; furnace fireguards of metal; ducts of metal for ventilating and air-conditioning installations; ducts of metal, for central heating installations; pipes of metal; steel pipes; pipework of metal; fittings of metal for compressed air lines.

Vacuum pumps [machines]; fans for motors and engines; machine tools; centrifugal pumps; hydrogen dispensing pumps for service stations; suction machines for industrial purposes; emergency power generators; alternators; dynamos; bicycle dynamos; current generators; motors, other than for land vehicles; electricity generators; motors, electric, other than for land vehicles; control cables for machines, engines or motors; compressors [machines]; compressors for refrigerators; condensing installations; blades [parts of machines]; machine fly-wheels; pump diaphragms; hydraulic controls for machines, motors and engines; control mechanisms for machines, engines or motors; pneumatic controls for machines, motors and engines; pressure valves [parts of machines]; superchargers; pumps [parts of machines, engines or motors]; dust removing installations for cleaning purposes; dust exhausting installations for cleaning purposes; steam engines; steam traps; fan belts for motors and engines; dynamo belts; belts for motors and engines; vacuum cleaners; touchless stationary vacuums; compressed air pumps; pneumatic tube conveyors; air suction machines; blowing machines; blowing machines for the compression, sucking and carrying of grain; blowing machines for the compression, exhaustion and transport of gases; air condensers; air pumps [garage installations]; cleaning appliances utilizing steam; radiators [cooling] for motors and engines; jet engines, other than for land vehicles; regulators [parts of machines]; speed governors for machines, engines and motors; pressure regulators [parts of machines]; reduction gears, other than for land vehicles; pressure reducers [parts of machines]; starters for motors and engines; stators [parts of machines]; spin dryers [not heated]; heat exchangers [parts of machines]; boiler tubes [parts of machines]; wind turbines; turbines, other than for land vehicles; turbocompressors; driving motors, other than for land vehicles; filters for cleaning cooling air, for engines; filters being parts of machines or engines; pulleys [parts of machines]; brushes [parts of machines]; carbon brushes [electricity]; dynamo brushes; brushes, electrically operated [parts of machines].

Water-pipes, not of metal; gutter pipes, not of metal; street gutters, not of metal; chimney cowls, not of metal; chimneys, not of metal; chimney shafts, not of metal; lengthening pieces, not of metal, for chimneys; drain pipes, not of metal; roof gutters, not of metal; sandstone pipes; water-pipe valves, not of metal or plastic; drain traps [valves], not of metal or plastic; chimney pots, not of metal; penstock pipes, not of metal; branching pipes, not of metal; ducts, not of metal, for ventilating and air-conditioning installations; rigid pipes, not of metal, for building.