Lokacin da kake fara neman bututun ƙarfe, ko na masana'anta, na'urar sarrafa mai, ko tashar makamashin nukiliya, tambayar farko da kake buƙatar yi wa kanka ita ce "Shin ina buƙatar "bututun" maras sumul, walda, ko ƙirƙira?Wadannan guda uku Kowane nau'i yana da fa'idodi daban-daban kuma akwai ...
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