Yawancin fa’idodin ƙofofin wuta na ƙarfe ya sa su mamaye kaso mafi girma na kasuwa a gine-ginen jama’a. Ya kamata a cika firam ɗin ƙofar wuta na ƙarfe da kayan da ba za a iya konewa ba, kuma zafin narkewar na’urorin haɗi kamar makullin kofa, hinges, da latches kada su kasance ƙasa da 950 ° C.

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