Peb tsom nrhiav kom pom qhov ua tau zoo los ntawm kev tsim khoom thiab muab cov kev pabcuam zoo tshaj plaws rau tooj liab (II) Chloride (Cucl2),Tooj liab oxide exedeld,Tooj Liab (II) Hydroxide Carbonate,Flake Tooj Liab oxide,Tooj liab (II) oxide hmoovCov. Peb tab tom ua kom cov lag luam ruaj khov nrog ntau dua 200 tus neeg tsim khoom hauv Asmeskas, Tebchaws Askiv, Lub teb chaws Yelemees thiab Canada. Yog tias koj txaus siab rau txhua yam ntawm peb cov khoom, thov koj xav tiv tauj peb. Cov khoom yuav muab rau thoob plaws ntiaj teb, xws li Tebchaws Europe, peb muaj lub luag haujlwm rau txhua qhov kev tshawb fawb, kev tsim khoom, kev tsim khoom thiab faib khoom thiab faib khoom thiab xa tawm. Los ntawm kev kawm thiab txhim kho cov txuj ci tshiab, peb tsis yog tsuas yog ua raws tab sis kuj ua kev lag luam zam. Peb mloog zoo rau cov lus teb los ntawm peb cov neeg muas zaub thiab muab cov lus teb tam sim ntawd. Koj yuav tsum xav tias peb txoj kev tshaj lij thiab saib xyuas zoo.
Tso koj cov lus