3D bioprinters; 3D printers; 3D printing pens; Ceramic 3D printers; Power tools, namely, burrs; Power tools, namely, reamers; Print heads for 3D printers; Printheads for 3D printers; Vacuum cleaners for household purposes; Vacuum pumps

LAN (Local Area Network) computer communication systems; namely, network interface card, network hub, network concentrator, network repeater, parallel port external network adaptor, network bridge, network router, network gateway