Izy io dia varavarana afo izay mahafeno ny fepetra takian’ny fitoniana amin’ny afo, ny fahamendrehana ary ny insulation mafana ao anatin’ny fe-potoana iray. Ny karazana varavarana afo UL dia manana ravina tokana sy ravina roa. Ny fitaovana ravin’ny varavarana dia takelaka vy vita amin’ny tafo, takelaka vy tsy misy pentina ary takelaka vy misy sarimihetsika. Ny faharetan’ny afo dia mety hahatratra 120 minitra. Tongasoa eto aminay.

plane emergency door opening,mpanamboatra varavarana mahatohitra afo any mumbai,fire door width,fire door 1981 x 915,

mpanamboatra varavarana afo mahatohitra, varavarana mahatohitra afo ho an’ny trano, varavarana mahatohitra afo,plane emergency door opening,varavarana fiarovana metaly, fenitra varavarana mahatohitra afo,fire door width,fivoahana varavarana sakan’ny anton-javatra, afo mahatohitra hidin-trano,varavarana afo 1981 x 915,

mahatohitra afo, loko varavarana,fire door width,varavarana mahatohitra afo malaysia, varavarana metaly