Rov qab siv cov khoom lag luam kev xaiv thiab faib feem ntau suav nrog cov hom hauv qab no:
Cov ntawv pov tseg khib nyiab: suav nrog cov ntawv sau tsis tau, xws li cartons, ntawv xov xwm, ntawv pov tseg, nthuav tawm cov raj dej roj, nthuav tawm cov taub dej hauv av, tshuaj ntxuav pob zeb, tshuaj zawv plaub hau thiab Cov hwj da dej, cov roj mis ua noj, cov khoom siv hlau, ntim khoom siv hlau (cants, kettles, hlau tab tom, hlau riam, khib nyiab hlau, xas roj, khob cawv, khob cij iav, kas fes rooj iav, thiab lwm yam pov tseg : Cov khoom lag luam textile uas tsis paug thiab tau ua cov qhab nia ua haujlwm, xws li khaub ncaws, hnab, ntaub, ntaub, thiab lwm yam.