Lub pob lim tam sim no yog cov khoom siv lim dej nrov tshaj plaws rau kev kho dej hauv pas dej da dej. Piv nrog cov khoom siv lim dej ib txwm siv, nws muaj qhov zoo ntawm lub teeb yuag thiab rov qab ntxuav.
Lub pob lim yog tsim rau tag nrho cov xuab zeb lim, uas yooj yim rau kev ua haujlwm txhua hnub thiab nyiam heev nrog cov neeg siv khoom txawv teb chaws.
Cov khoom siv fiber ntau yog siv rau kev kho dej hauv pas dej da dej, thiab tseem siv dav hauv cov dej siv hauv cov roj av, tshuaj lom neeg, hluav taws xob, metallurgy thiab lwm yam lag luam; circulation, bypass filtration thiab cov dej khib nyiab recycling.
