Yawancin fa’idodin ƙofofin wuta na ƙarfe ya sa su mamaye babban kaso na kasuwa a gine-ginen jama’a. ZHTdoors Babban alama ce ta ƙofofin wuta na ƙarfe, ana amfani da su sosai a asibitoci, makarantu, manyan kantuna.

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