Cov pab pawg suav nrog viav vias kub muag cov chaw ua si rau chaw ua si, vaj, tsev kawm ntawv thiab lwm qhov chaw zov menyuam.

Raws li cov duab hauv qab no qhia, pob tawb viav vias lub rooj sib tham ntawm pab pawg ua viav vias tuaj yeem muab rau txhua hom menyuam yaus ua si.

Peb tsim cov pab pawg sib tw ua ke nrog cov hmoov txheej galvanized hlau thiab zoo siab 6 txoj hlua hlua hlua.

Peb muaj ntau qhov kev teeb tsa viav vias tsim rau koj xaiv, txais tos saib peb lub vev xaib lossis nug peb rau phau ntawv teev npe.