7 machine parts and tools for lifting technology, namely, load suspension devices of metal, in the nature of lifting hooks, grabs and grippers, gripper fingers, parallel grippers, clam-shell grabs, multirope grabs, power clamshells, grapples, power grapples, internal tensioning spindles, pneumatic or electrical pivoting and rotary units, consisting mainly of drive motors and gearboxes; drive machinery not for land vehicles, namely, electric motors for machines; electric motors for machines with built-in brake; electric motors for machines with built-in gearing; machine parts, namely, gearboxes and microspeed gearboxes in the nature of multiple brake motors connected to each other with mechanical gears; machine parts in the nature of moving gear components, namely, box frames open on one side, with built-in running wheel, rail travel mechanisms composed of driven and idle wheel blocks; machine parts, namely, moving gears for cable trail lines and current collectors and moving gears for lifting gears for use with monorail and double trail trolleys for lifting equipment, electrical and electronic devices for electric motor speed control and for use with frequency converters for three-phase AC motors; load lifting and lowering machinery and mechanical equipment, namely, lifting gears in the nature of chain hoists and cable controls, moving gears for hoisting gears, monorail and double rail trolleys for lifting equipment, winches, cranes, wall slewing cranes, slewing pillar cranes, column-type swinging cranes, stacker cranes, gantry cranes, overhead travelling cranes, single-beam travelling cranes, double-beam overhead travelling cranes, roof cranes, single-beam overhead travelling cranes, jib and telescopic cranes, pneumatically operated cable pulls with a control system for the handling of loads appearing to be nearly agravic, lifting gears with a rigid, telescopic lifting axle, suspended railways in the nature of overhead monorails, and pneumatically and electrically operated brakes, namely, brakes for electric motors driving lifting gears[; component parts of machinery for lifting gears, namely, weight carrying devices equipped with a magnet, including round magnets, rectangular magnets and several magnets suspended on a crossbeam]