7 Machines and machine parts used in additive manufacturing processes and post-additive manufacturing processes, namely, additive manufacturing machines, additive manufacturing post-printing machines, additive manufacturing support removal machines, additive manufacturing surface finishing machines, additive manufacturing wastewater handling machines, and motors, pumps, actuators, manifolds, nozzles, hoses, tanks, baskets, trays, heaters, sensors, ultrasonic generators and transducers, filters, keypads, and computer displays used in such machines