Khoom siv: Carbon steel
Txheem: GB / YB
Kev kho deg: Galvanized
Kev 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 qab nthab, ntawv, ntoo thawv kev lag luam rau txheej txheej ntawm daim ntawv.
