Khoom siv: Carbon Steel
Qauv: GB / YB
Kev kho deg: galvanized / dub
Siv: Cov rooj tog tsim khoom lag luam rau cov rooj zaum rooj zaum, rooj zaum plaub hau thiab tawv, kev lag luam zoo nkauj rau cov qab nthab, cov ntawv hlau, ntoo crate kev lag luam rau txheej txheej ntawm cov ntawv hlau.
