Tom qab lub saw maus taus raug ncab, kom txog thaum txoj kev hloov kho tsis tau nruj, koj tuaj yeem txiav ob peb daim thiab nruab nws

Thaum txoj saw ntawm lub maus taus ncab mus rau txoj kev txwv thiab tsis tuaj yeem muab kaw kom nruj ntxiv, nws zoo dua los hloov cov saw hlau. Lub sijhawm no, lub sprocket feem ntau hnav tau ntau dua. Nws yog qhov zoo dua los hloov cov saw hlau thiab cov sprocket. Yog tias sprocket tau zoo, hloov nws. Nws tuaj yeem siv tom qab cov saw tsis tau siv. Yog tias koj yuav tsum txiav ob peb txoj kev txiav (feem ntau koj tuaj yeem txiav mus rau ob qhov feem ntau), nws yog qhov ua tau tias qhov xwm txheej ntawm txoj hlua ntawm cov saw yuav loj dua, tab sis koj tseem tuaj yeem sim nws, koj tsis tuaj yeem hloov nws.