Vim li cas siv yas hwj rau tshuaj pleev ib ce

Cov thawv ntim yas muaj ntau yam kev siv, nrog rau zaub mov, tshuaj, kev ua liaj ua teb, thiab kev zoo nkauj. Niaj hnub no, tus kws sau ntawv yuav coj koj mus kom nkag siab txog cov ntawv thov thiab qhov zoo ntawm cov thawv ntim hauv kev lag luam kev zoo nkauj.

Cov thawv ntim khoom siv yas siv hauv cov tshuaj pleev ib ce thiab cov khoom tu tawv nqaij hauv kev lag luam kev zoo nkauj muaj ntau cov khoom siv nrog cov khoom siv yas zoo. Nrog lawv cov kev ua tau zoo dua, txo tus nqi thiab yoog raws li kev tiv thaiv ib puag ncig, lawv tau sib xws nrog lwm cov khoom ntim xws li iav. Cov kev sib tw tau tsim kho sai heev.

Piv nrog cov khoom lag luam iav, lub hwj yas muaj qhov ntom qis dua, lub teeb nyhav, kho kom pom kev, thiab tsis yooj yim tawg; yas hwj muaj zoo dua corrosion tsis kam, acid thiab alkali tsis kam, muaj kev cuam tshuam kev cuam tshuam, thiab muaj cov tshuab muaj zog ntau dua thiab yooj yim rau cov duab, Cov khoom lag luam poob qis. Cov khoom lag luam yas tau yooj yim xim, thiab xim tuaj yeem hloov kho raws li qhov xav tau, ua kom yooj yim ua tiav kev tsim ntim tsim.