Yam Taw Qhia:

Hluav Taws Xob Ntsia Hlau-Hauv Nplhaib Insulator Laum Chuck
Rau kev yooj yim ntsia hlau-hauv ntawm lub nplhaib insulator hauv ntoo ncej siv kev xyaum.
ua los ntawm kub dipped galvanized hlau.

daim ntawv thov: