Cov khoom siv hluav taws xob qis hauv kev ua lag luam feem ntau yog ua los ntawm cov roj hmab nylon, vim tias cov khoom siv raw yog pheej yig, cov khoom tiav yog pheej yig. Txawm li cas los xij, hnav tsis kam thiab kub tsis kam ntawm cov yas cable saw ua los ntawm cov khoom nyoos no. Cov khoom siv tsis zoo, thiab kev pabcuam lub neej luv luv.Cov saw hlau ua los ntawm cov nylon tsis zoo tuaj yeem tiv thaiv tsis tau zoo ntawm cov raj xa dej, thiab qhov nce tsis tsim nyog rau kev poob.Thaum xaiv engineering yas cable chains, cov neeg siv khoom feem ntau muaj qhov tsis meej pem: Yuav ua li cas. txhawm rau txheeb xyuas lawv txoj kev xaiv cov saw hlau yog qhov zoo lossis qhov tsis zoo?Nws tuaj yeem txheeb xyuas los ntawm cov hauv qab no.