3D printers; 3D printing pens; Cooling radiators for motors and engines; Engraving machines; Heat sinks for use in machines; Industrial printing machines; Machine parts, namely, bearings; Machine parts, namely, joints and joint parts for connecting sliding strips, plates and guides; Machine parts, namely, roll mill bearings; Parts for pneumatic blow guns, namely, inflator tips, inflator valves, valve adapters, nozzles, nipples, couplers, connectors and pivots; Plastic processing machines; Pri...