Raws li ib qho ntawm cov kws tshaj lij alloy tuam ntxhab thiab cov muag khoom nyob hauv Suav teb, peb tau tshwj xeeb los ntawm cov khoom zoo thiab tus nqi qis. Thov so assured mus yuav luv nqi alloy ua nyob rau hauv Suav teb nov los ntawm peb lub hoobkas.
