Yam Taw Qhia:

Hluav Taws Xob Pinlock Standoff Hlau
ua los ntawm kub dip galvanized hlau.
siv rau laj kab hluav taws xob los txhawb cov polywire, xaim lossis polyrope.

Teeb duab:

daim ntawv thov: