1. Cov khoom siv zoo xaiv thiab corrosion kuj
2. Lub sij hawm ntev, kev siv zoo ntawm qhov chaw gloss li brand-new
3. Nws yog nrawm dua los kho cov cua sov siv cov txheej txheem tshwj xeeb.
4. Tiv thaiv ib puag ncig, tsis txhob tso cov khoom siv phom sij, thiab siv cov khoom tsis muaj tshuaj lom, tsis muaj kuab lom.
5. Siab antioxidant zog; tsis muaj xeb nyob rau hauv cov av noo.