Rehefa mamokatra sy miforona ny varavaran’ny afo, dia hisy fiantraikany tsara amin’ny fisorohana ny afo sy ny setroka insulation, ary mahafeno ny fepetra takian’ny fitoniana, ny fahamendrehana ary ny hafanana. Ny mpanamboatra varavarana afo manara-penitra sy manara-penitra dia mampiasa takelaka vy vita amin’ny vy vita amin’ny galvanized avo lenta, izay amboarina tsikelikely.

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