Nws pib-roj hluav taws kub txhais cov lus
Lub tshuab hluav taws xob kub pib yog qhov qis tshaj qhov kub ntawm cov khoom uas tus kheej tuaj yeem hlawv cov pa hauv huab cua yam tsis muaj lub txim taws thiab nplaim taws. Nws tsis qis dua thiab feem ntau zoo tshaj qhov kub sib haum rau qhov txwv sab sauv ntawm kev sib txuas.
Lub tshuab hluav taws xob kub pib yog qhov qis tshaj qhov kub ntawm cov khoom uas tus kheej tuaj yeem hlawv cov pa hauv huab cua yam tsis muaj lub txim taws thiab nplaim taws. Nws tsis qis dua thiab feem ntau zoo tshaj qhov kub sib haum rau qhov txwv sab sauv ntawm kev sib txuas.
Dawb phosphorus, thee, nitrocellulose, hlau sulfides, thiab lwm yam yog cov tshwm sim los ntawm cov khoom sib txuas.