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