lapping machines; grindstones [parts of machines]; agricultural machines; couplings for agricultural implements; air-operated power tools; electric gardening tools and lawnmowers; adapters for pipes [parts of machines]; drain augers, electric; gear motors and transmission gears for industrial machinery; power-operated tools; paint spray guns; garbage disposal units, electric; electrical welding apparatus; electric welding apparatus; power-driven spanners; bearings [parts of machines]; casting wheels being parts of machines; chainwheels [parts of machines]; soldering apparatus; LNG conversion apparatus