Ƙofofin wuta na bakin ƙarfe sun ƙunshi ƙarfe na nickel da chromium, waɗanda ke da ƙarfin juriya na lalata da kuma juriya na zafi. Har yanzu suna iya kiyaye babban ƙarfi da tauri a ƙarƙashin yanayin zafin jiki mai girma, suna iya kariya yadda yakamata daga gaggawa kamar fashe-fashe, kuma suna da tsawon rayuwar sabis. Ƙofofin wuta na bakin ƙarfe suna da fa’ida daga cikin abokantaka na muhalli da kayan da ba su da gurɓatawa, ayyuka masu ƙarfi, da kayan arha.

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