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