Elastic, toothed, rigid bellows couplings,
Ratchet ball freewheels,
Clutches and brakes, electrical, mechanical, hydraulic, pneumatic,
Mechanical Variators,
Mechanical jacks.
Electric Motor.
Reducer motor.
Transmission chains, handling chains, lifting chains
Sprockets, cast iron wheels, steel discs.
Flat belts, poly-V belts, V-belts, synchronous belts.