Agricultural machines; Agricultural elevators; Alternators; Valves (parts of machines); Compressors (machines); Joints (parts of engines); Current generators; Weeding machines; Welding machines, electric; Compressed air engines; Compressed air machines; Compressed air pumps; Motors, other than for land vehicles; Control cables for machines, engines or motors; Control mechanisms for machines, engines or motors; Emergency power generators; High pressure washers; Welding apparatus, gas-operated; Electric welding apparatus; Electric arc welding apparatus