Khoom Raw Khoom Ntawm Phab Ntsa Vaj Huam Sib Luag Tshuab

Cov khoom siv raw siv hauv cov khoom tsim los ntawm cov khoom siv phab ntsa vaj huam sib luag yog cov khoom siv dav thiab tsis muaj kev txwv hauv cheeb tsam. Nws yog tsuas yog ua los ntawm sawdust, straw, nplej husk thiab ntau yam qoob loo straws, ntxiv inorganic cov ntaub ntawv (xws li talcum hmoov, siv pov tseg, diatomite, ya tshauv, thiab lwm yam) los ntawm kev ua tshwj xeeb. Tus nqi tsim khoom tsawg, kev nqis peev me me, thiab cov txiaj ntsig tau nrawm.