Darbus Isticmaalaha korontada heerarka hydraulicka, Darbus heerarka sare ee hydraulicka, Darbus heerarka sawirida Darbus iyo heerarka hydraulicka iyo Darbus oo leh alaab aad u badan, qiimaha aad u fiican, qiimaha dheer, durdurka, iyo isticmaalka kala duduwan. Welcome to wir and iibso Darbus macaamiisha cusub iyo gaboobay