7 3D printers; Axles for machines; Belts for machines; Belts for transmissions other than for land vehicles; Metalworking machine tools; Transmission chains other than for land vehicles; Transmission shafts, other than for land vehicles; Ball bearings for use in machines, namely, power tools in the nature of routers, lathes, reamers being machine tools, bending machines and laser welding machines; Ball valves being parts of machines; Bearing brackets for machines; Bearing housings for machines; Bearings for transmission shafts, being parts of machines; Couplings for machines; Machine parts, namely, roller bearings; Machine parts, namely, joints and joint parts for connecting sliding strips, plates and guides; Machine tool holders; Milling machines; Shaft couplings for machines; Sliding bearings for machines; Wood milling machines