Ny hafanana manalefaka ny fitaratra nentim-paharazana amin’ny hafanana avo dia eo amin’ny 700 ℃, raha toa kosa ny teboka fanalefahana ny vera fandoroana takelaka tokana vaovao dia mihoatra ny 1200 ℃, izay azo ampitahaina amin’ny vera quartz avo lenta, saingy mora kokoa noho ny quartz. vera raha ny vidiny.

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afo naoty vera varavarana anatiny,varavarana feno vera misy afo,varavarana avo roa heny noho ny afo,varavarana nomena ny afo misy varavarankely fitaratra,30 minitra afo vera,afo naoty vera varavarana anatiny,varavarana vita amin’ny afo ara-barotra misy fitaratra,varavarana avo roa heny noho ny afo,varavarana fidirana misy afo misy fitaratra,afo naoty vera varavarana anatiny,20 minitra vera naoty,varavarana nomena ny afo misy varavarankely fitaratra,varavarana fitaratra firelite,varavarana avo roa heny noho ny afo,varavarana sliding automatique misy afo,varavarana nomena ny afo misy varavarankely fitaratra