(1) Qhov yuav tsum muaj rau cov kev ua siab loj ntawm ntau cov xov xwm corrosive thiab high-kub lub zog thiab tsawg-kub ua kom siab dua thiab siab dua. Raws li ib tug tshwm sim, cov tshuaj lom neeg muaj pes tsawg leeg ntawm cov khoom siv yeeb yog hloov tas li, thiab kev siv thev naus laus zis txuas ntxiv.
(2) Cov yeeb nkab cov khoom loj (phab ntsa thickness qhov tseeb), cov duab qhov tseeb kom txhawb nqa cov kev tshawb nrhiav online, tsis siv neeg tswj tshuab txuas ntxiv mus ntxiv.
(3) Qhov yuav tsum tau ntawm txo tus nqi ntawm cov khoom siv yeeb nkab ua rau cov txheej txheem ntau lawm tsim kho cov txheej txheem luv luv thiab ze thaum kawg molding.
(4) Qhov dav dav ntawm cov yeeb nkab cov khoom yuav tsum tau zoo, pheej yig, muaj txiaj ntsig zoo, kev noj qis.
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Lub sij hawm Post: Jan-08-2020