40 3D printing, additive manufacturing; 3D printing services, custom additive manufacturing; custom 3D printing for others, additive manufacturing for others; rental of 3D printers; custom manufacture of dental prosthetics; custom manufacture of dental prostheses; moulding of implants for the human body; services of a dental technician; dental laboratory services; custom manufacturing of prosthetics; metalworking (forming); custom manufacture of metal hardware; custom manufacture of components made of artificial materials; custom manufacture by direct metal laser sintering; treatment of materials by laser beam; technical support services, namely, providing technical advice related to the manufacture of 3D printed goods; manufacturing services for others in the field of 3D printed goods; manufacturing services for others in the field of medical implants; prototype fabrication of new products for others; metal fabrication and finishing services for others; abrasion; millworking