{{01. Tus nqi-ua tau zoo: nyob rau hauv lub neej kev ua tau zoo ib yam li ntawd 50% lossis ntau dua li ntawm tooj liab core cables {}}
2.} Kev Ua Hluav Taws Xob Hluav Taws Xob: Nws muaj hluav taws xob hluav taws xob, thiab tseem muaj cov khoom sib txuas siab ruaj khov.
{{03.}}}}}} wb thaiv cov khoom siv yog cov cua sov-resistant, anti-retable, thiab ib puag ncig phooj ywg thiab cov roj carbon.
{{04. cov khoom siv neeg kho tshuab: cov neeg xyuas khoom siv txhuas, muaj zog, qis dua.
{{05.} txheej ci: ua los ntawm cov hmoov txhuas dawb thiab cadmium-dawb los yog nteg ncaj qha rau kev siv .
