7 Elevators, conveyor belts, and conveying apparatus and conveying machines in the nature of conveyors being machines for the storage and retrieval of unit loads in rack storage facilities, including the mechanical storage and retrieval of land and/or water vehicles in parking garages; Conveyors being machines and conveyor belts; Automatic conveyor systems, in particular automatic storage and retrieval pneumatic and/or automatic conveyors for the transport of unit loads; Drives for conveyor machines; Drives for machines, in particular for rack conveyors for transporting unit loads; Variable speed drives for machines; Drive belts, namely drive belts for machines; drive chains, other than for land vehicles; drive belts for machines; driving motors, other than for land machines; Elevator systems, comprised of racks, power operated lifts, elevators, conveyors and/or control units; Drives for elevators; Elevators for loads, for materials and for car parks; Torque converters and speed governors for machines motors and engines, other than for land vehicles; Power-operated boat lifts; Electrically operated draining machines, namely draining machines for draining bulk material; Unmanned transport conveyors being machines; Palletisation machines, namely palletizers for material handling; Pallet transferring machines; Control mechanisms, namely pneumatic controls for machines, engines or motors, in particular for storage and retrieval units; Transferring machines, in the nature of conveyors being machines