Peb Ua Dab Tsi Yog Tsuas Ntoo Yas, Tiam sis Kev Nyab Xeeb thiab Kev Zoo Nkauj.

Kev txhim kho tshiab ntawm kev lag luam hauv tsev ntoo khoom siv hluav taws xob yog dej tsis ruaj, dej ruaj khov, tiv thaiv ib puag ncig tiv thaiv, yas ntoo board, uas muab ntau yam ntawm cov ntoo cog thiab cov ntaub ntawv yas pas nrig, yuav hloov ntoo hauv ntau qhov loj, nruab nrab ntawm txoj kev tsis zoo ntawm cov hav zoov thiab qhov tsis txaus ntawm cov khoom siv ntoo nyob hauv Suav teb, thiab yog lub qis, ntsuab, cov khoom siv txua hluav taws xob txig nrog cov khoom zoo tshaj plaws.

Yas ntoo - nrog qhov zoo ntawm cov nroj tsuag fibres thiab plastics, muaj ntau hom kev siv. Nws tuaj yeem them rau txhua daim ntawv thov ntawm cav, yas, yas hlau, txhuas alloy thiab lwm yam ntaub ntawv zoo sib xws. Nws tseem kho qhov teeb meem ntawm kev siv cov khoom siv pov tseg rau hauv cov yas thiab ntoo. Nws cov yam ntxwv tseem ceeb yog: raw cov khoom ub khoom, khoom yas tawm, kev tiv thaiv ib puag ncig, kev tsim txiaj dua qub, kev lag luam thiab kev tsim rov qab.