Birashoboka ko uri santimetero 1 zidashira za ratchet zo kugura ibicuruzwa, ushakisha uburyo bwiza bwo hejuru bwa santimetero 1 zidashira , kandi Lishenflex numushinga wabigize umwuga & utanga ibicuruzwa bishobora guhaza ibyo ukeneye. Ntabwo ari santimetero 1 gusa itagira ingano ya ratchet twakoze twabonye ibyemezo byinganda mpuzamahanga, ariko turashobora kandi guhaza ibyo ukeneye. Dutanga kumurongo, mugihe gikwiye kandi urashobora kubona ubuyobozi bwumwuga kuri santimetero 1 zidashira . Ntutindiganye kutwandikira niba ushimishijwe numugozi wa santimetero 1 utagira iherezo , ntituzagutererana.