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Ny varavarana afo dia varavarana iray izay mahafeno ny fepetra takian’ny fahamarinan-toerana, ny fahamendrehana ary ny insulation mafana ao anatin’ny fe-potoana iray. Izahay dia mpanamboatra matihanina amin’ny varavarana afo, izay azo amboarina araka ny fangatahana, mahafeno ny fenitra nasionaly, ary lafo. Tongasoa eto aminay.

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