Pulley ndi chingwe kapena waya wokulungidwa pa gudumu.Imasintha njira ya mphamvu.Pulley yoyambira imakhala ndi chingwe kapena mawaya omangika pamalo osasunthika ozungulira gudumu limodzi kenako kuzungulira gudumu lachiwiri.Kukoka chingwe kumakokera mawilo awiriwo moyandikana. Pulley ndi gudumu lomwe lili pa ekisi kapena shaft lomwe limapangidwa kuti lizithandizira kuyenda ndikuwongoleranso kukangana.Ndi zida zosavuta, komabe zamphamvu zomwe zingapangitse mphamvu zazing'ono kusuntha zinthu zazikulu.Mapulani amagwiritsiridwa ntchito kupangitsa ntchito yolemetsa kukhala yokhoza kulamulirika bwino.pul·ley ˈpu̇-lē zochulukira zambiri.+ kukweza zolemera.
Nthawi yotumiza: Jan-06-2023