Ny fiasan’ny varavarankelin’ny afo dia ny fiatrehana ny fiparitahan’ny afo sy ny setroka raha sendra misy afo tsy nahy, mba hananantsika fotoana hialana. Ny varavaran’ny afonay dia afo, mora, insulation feo, mateza. Afaka maka hevitra aminay ianao.

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