Daim Ntawv Thov Cheeb Tsam
Cov khoom siv nyuaj crushing thiab ntxuav cov kab ntau lawm yog siv rau hauv cov khoom siv yas, roj teeb cov khoom lag luam, roj teeb yas, roj av, cov khoom lag luam yas. PE thiab PP cov lus tsuas yog suav nrog cov mis nyuj mis, thawv ntim khoom ntim khoom, khob thiab lwm yam khoom.