Ny varavaran’ny afo dia azo zaraina ho varavarana afo misy varavarankely sy tsy misy varavarankely arakaraky ny fisian’ny varavarankely eo amin’ny firafitry ny varavaran’ny afo (antsoina hoe varavarankely, izay tsy azo sokafana na mihidy, fa ho an’ny fijerena fotsiny). Ny fitaratra napetraka eo amin’ny varavarankelin’ny afo dia tsy tokony ho fitaratra mahazatra, fa tsy maintsy vera tsy misy afo.

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mpanamboatra varavarana mahatohitra afo,fire exit door lock, varavarana lehibe tsy misy afo, fitaovana varavarana tsy misy afo,fire exit door bar,afo nomena laharana 90 minitra, 600mm varavarana metaly,difference between fire door and fire exit door,

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