Zingwe zamtundu wa ratchet ndi kapangidwe katsopano, kudzera muukadaulo wapamwamba kwambiri wopangira komanso zida zapamwamba kwambiri, magwiridwe antchito a zingwe zamtundu wamba mpaka mulingo wapamwamba kwambiri. Ndife abwino pachilichonse chazingwe zogulitsa ma ratchet , timatsimikizira mulingo wabwino kwambiri, kuti tikubweretsereni chidziwitso chabwino chazogulitsa. Lishenflex ndi katswiri wopanga zingwe za ratchet ku China komanso ogulitsa, ngati mukufuna zingwe zabwino kwambiri zogulitsa ndi mtengo wotsika, tiuzeni tsopano!