Lub pulley systems nyob rau hauv koj siv-tsav cov khoom ua hauj lwm yuav tsis ua raws koj lub lag luam khiav ntseeg nkaws. Cov yooj yim machines tej zaum siv sij hawm spinning nyob rau high school RPMs, nraaj hloov hwj chim rau tus tsav tshuab uas ua rau ib tug ntau yam ntawm muaj dab tau. Thaum Pulleys tsis, lub lag luam uas tseem yuav tuaj mus rau ib tug sib tsoo halt. These equipment failures… nyeem ntxiv »
