3D bioprinters; 3D printers; 3D printing pens; Document binding machines for industrial use; Electric sewing machines; Electrically-powered textile printers; Electro-chemical discharge machine tools for metalworking; Food cutting machines for commercial use; Pneumatically operated tire inflation machine; Print heads for 3D printers; Print heads for industrial printing machines; Printheads for 3D printers; Printheads for industrial printing machines; Rubber cutting machines; Solar-powered elec...