Fametrahana varavarana afo ho an’ny trano, Famoahana haingana ny hidin-trano afo, Osha varavarana afo

Ny tampon’ny varavarankelin’ny afo dia tokony ho malama sy madio, tsy misy tsipika mazava na fahasimbana mekanika. Ny welding ny varavarana afo vy dia tokony ho mafy orina, ny solder tonon-taolana dia tokony ho zaraina mitovy, ary tsy tokony hisy diso welding, may-amin’ny alalan’ny, leakage ny welding, sns Ny seam dia tokony ho mafy sy malama, ary ny plywood tsy tokony ho planina amin’ny alalan’ny surface veneer.

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