Nrib pleb: Lub tshuab ua yas ua. Lub ntsiab cai tseem ceeb yog kom sov thiab nplaum daim ntawv yas yas. Nws yog nqus-adsorbed nyob rau ntawm lub pwm thiab txias rau daim ntawv. Nws yog siv rau hauv cov ntim yas, teeb pom kev, kev tshaj tawm, kho kom zoo nkauj thiab lwm yam lag luam.
Plab ntim yas: ib lub sij hawm siv rau kev tsim cov khoom yas los ntawm cov hmoov txhuam thiab cov khoom ntim nrog cov khoom siv coj los sib txuas.
Plab ntim khoom ntim muaj xws li: me me , tais, yas thawv, sib dhos, hau npog, tshuaj hlav thiab lwm yam.
Qhov zoo tshaj plaws ntawm cov hmoov hlav yog tias nws txuag cov khoom nyoos thiab khoom ntiag tug, yog lub teeb nyhav, yooj yim hauv tsheb thauj mus los, zoo hauv sealing kev ua haujlwm, thiab ua tau raws li qhov yuav tsum tau muaj ntawm cov khoom ntim zoo rau ntsuab ntsuab; nws tuaj yeem ntim cov khoom siv, tsis muaj cov khoom ntim khoom ntxiv uas yuav tsum tau ntim rau; cov khoom ntim yog pob tshab thiab pom. Zoo nkauj zoo li, yooj yim muag, thiab haum rau mechanization, cov ntawv ntim cia, cov kev tswj niaj hnub yooj yim, txuag cov txiv neej thiab kev txhim kho kev lag luam.
