Air purification; Metal treating; Paper finishing; Recycling of waste and trash; Sandblasting services; Window tinting services for automobiles and residential buildings

Aerial conveyors; Aeroplanes; Air pumps for automobiles; Bicycles; Boats; Land vehicles; Motors, electric, for land vehicles; Trailer hitches for vehicles; Vehicle wheels

Aeroplane engines; Agricultural machines, namely, cultivators, harvestors, disk harrows and seeders; Casting machines; Ignition devices for motors of land vehicles; Mechanical condensators; Nitrogen oxide traps for exhaust systems being parts of internal combustion engines; Oil refining machines; Turbines, other than for land vehicles; Valves being parts of machines; Waste disposal units

Clips of metal for cables and pipes; Containers of metal for compressed gas or liquid air; Floating docks of metal, for mooring boats; Gratings of metal; Metal flanges; Pegs of metal; Rails of metal; Steel, unwrought or semi-wrought; Valves of metal, other than parts of machines; Wire of common metal