[ 3D printers; ] AC variable frequency drives that are used to control small and medium-sized motors in applications such as manufacturing processes, HVAC and pumps; [ Alternating current servo motors; Ball bearings for use in machines, namely, cnc router machine; Cemented carbide cutting tools; ] Drives for machines; [ Drives for motors; ] Engraving machines; [ Grinding machines for treatment of ceramics and metal; Hydraulic pumps and motors for hydrostatic systems, comprised of pumps, moto...