Transmission elements (inasmuch as included in this class), namely hollow, flat, tangential and round belts; straps, belts for feeder regulators as well as relevant connection apparatus; conveying elements (inasmuch as included in this class), namely conveyor belts, modular belts and belts for machines, as well as profiles and relevant connection apparatus; thrusters and controls, namely reduction gears, motor reducers, variable-speed motors and motors all inasmuch as included in this class and excluding those for land vehicles