Saboda ƙofar wuta ta ƙarfe kanta tana da juriya na wuta, a cikin wutar farko na iya kiyaye hatimi da amincin, zai iya hana yaduwar wutar, don waɗanda abin ya shafa su yi yaƙi don lokacin tserewa. A halin yanzu, ƙofofin wuta na ƙarfe sun fi nazarci da halaye na samarwa fiye da sauran samfuran.

Ƙofofin kare lafiyar wuta masu aiki,farantin karfen harbin wuta,Amintaccen ƙofar 1, ƙofar aminci 3 × 7,

wuta resistant kofa manufacturer,Ƙofofin kare lafiyar wuta masu aiki,Ƙofar tsaro ta ƙarfe biyu tare da kayan aiki, hotuna na kofofin aminci na katako don ɗakin kwana,safe kofa 1,girman kofa,ƙofar aminci 3 × 7,daidai karfe tsaro ƙofar, wuta rated kofa 90 minti, labeled kofa panel,

Ƙofofin katako mai hana wuta,m wuta aminci kofofin,Amfani da kofar fita na gaggawa, Wuta rated kofa ul, Wuta rated kofa mazaunin