zu
Izimpawu ze-Piston ziyizinto ezibalulekile ezinhlelweni ze-hydraulic ne-pneumatic, isebenza njengesithiyo sokuvimbela ukuvuza koketshezi nokugcina ukusebenza kahle kohlelo. Lezi zimpawu zivame ukusetshenziswa emishinini ehlukahlukene yezimboni, kufaka phakathi amasilinda we-hydraulic, amaphampu, nama-actuator. Ukukhetha izimpawu ze-piston efanele kubalulekile ukuqinisekisa ukusebenza okuhle nokuphila okude kwemishini. Esinye sezici ezibalulekileyo