mechanical devices, namely, dispensers of preset portions of fluids, solid granules, and powder for dosing purposes, all not for medical use and made of plastic; pipettes made of plastic; dosing equipment not for medical purposes, namely, machines for dispensing predetermined dosages of fluids, solid granules, and powder for dosing purposes, all not for medical purposes and made of plastic; electric applicators for applying preset portions of fluids, solid granules, and powder for dosing purp...