Anyị na-emepụta ihe ndị ọzọ hydraulic solenoid valve ngwa ngwa, aka, knob, plastic plate plate, plọg mmanụ, mkpuchi mkpuchi na usoro ndị ọzọ.N'otu oge ahụ, ọ na-anabata nhazi pụrụ iche site n'aka ndị ahịa.