A al'adance, katin ƙarfe an yi shi da tagulla da bakin karfe. Yana ɗaukar manyan sabbin fasaha na tsari, mallaka, tambari, lalata, bugu, gogewa, yin amfani da lantarki, canza launi, rarrabawa, marufi da sauran ayyukan gudana. Bayan goge-goge, lalata, an gyara katunan ƙarfe ...
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