A square bututu abu ne kullum carbon karfe square bututu da low gami square bututu abu.Yawancin bututun murabba'in ana yin su ne da bututun ƙarfe, waɗanda ke samar da bututun zagaye ta hanyar cire kaya, gyare-gyare, crimping da hanyoyin walda, ana juyar da bututun zagaye cikin murabba'in bututu, sannan a yanka su cikin tsayin da ake buƙata, ana raba bututun murabba'in zuwa bututun murabba'in ado, murabba'in injiniyoyi. bututu da gine-ginen murabba'in bututu, ana amfani da bututun murabba'in a cikin ginin, masana'antar injin, tsarin ƙarfe da sauran amfani da injiniyoyi, yin amfani da muhalli daban-daban na bututun murabba'i zai bambanta, Kula da bambance-bambance lokacin siye.