Dab tsi yog qhov siab kub lub thawv laus

Lub thawv kub laus laus yog siv los tshawb xyuas qhov chaw thiab cov khoom siv ntawm cov khoom lag luam muaj feem xyuam xws li cov khoom siv hluav taws xob thiab cov hluav taws xob, lub tsheb, lub cev muaj zog, lub dav hlau, roj hmab, plastics, hlau, nkoj thiab riam phom, tsev kawm qib siab thiab tsev kawm ntawv, tshawb fawb tshawb fawb, thiab lwm yam. cov mob ntawm qhov kub thiab txias hloov tas li. Kev ua tau zoo. Nws yog tsim hauv nruj raws li GB / T2423.2-2008 kev ntsuas kub kev laus kev laus txoj kev kuaj.