Cov khoom muaj nqis
| Hom khoom | DIN tsheb ciav hlau |
Qhov Loj
| Dav | 15 hli |
| Qhov dav ntawm qhov | 12.2 hli |
| Qhov siab | 5.5 hli |
| Qhov siab ntawm qhov | 4.2 hli |
| Qhov nrug ntawm qhov laum | 20 hli |
Cov lus qhia txog cov khoom siv
| Xim | xim nyiaj |
| Khoom siv | Hlau |
| Txheej | galvanized, passivated nrog ib txheej tuab |