Peb tau txais ntau lub xeev - ntawm - - Cov kws kos duab sab saum toj, lees paub cov kws tshaj lij cov phooj ywg zoo nkauj,Cupric carbonate (theem pib) ntxiv ntshiab,Azure xiav,Tooj liab (2+) chloride,Tooj Liab (II) HydroxarbonateCov. Peb tsom rau kev tsim cov hom lag luam thiab ua ke nrog ntau lub sijhawm paub thiab thawj cov cuab yeej siv. Peb cov khoom koj tsim nyog muaj. Cov khoom yuav muab rau thoob plaws ntiaj teb, xws li cov neeg muaj kev tshawb fawb thiab kev ua kom zoo dua qub, ua kom cov txheej txheem kev tsim kho, ua kom cov khoom lag luam zoo tshaj plaws, ua kom cov khoom lag luam zoo tshaj plaws
Tso koj cov lus