Filling machines; loading machine; bell conveyors; elevator belts; electric jacks; lifts, namely, elevators; machines, namely, conveyors; roller conveyors; chain conveyors; metalworking machines, namely, machining centers; chucks for power drills; machine tool holders; electric polishing machines; shaping machines for metalworking; industrial robots; electric welding machines; electric arc welding machines; electric glue guns