Ceramic 3D printers; 3D bioprinters; 3D printers; 3D printing pens; Print heads for 3D printers; Printheads for 3D printers; Three dimensional (3D) printers

Air conditioning filters; Air filters for household use; Filters, heaters and pumps sold in combination for use in swimming pools and hot tubs; Swimming pool filters; Swimming pool water cleaning and filtering units; Water filtering apparatus; Water filters; Water filtration and purification units and replacement cartridges and filters therefor; Water purifying apparatus and machines

3D printers; 3D printing pens; Electric screwdrivers; Extrusion moulding machines; Gears for machines; Juice extractors, electric; Paper shredding machines; Printing presses; Servo motors; Three dimensional (3D) printers