Bakin karfe bawul tsatsa haddasawa da mafita
Bakin karfe bawul tsatsa yana haddasawa da mafita Wannan ma'auni yana ƙayyadaddun ƙayyadaddun sinadarai, kaddarorin injiniyoyi, buƙatun fasaha, gwaji da duba simintin ƙarfe na bakin karfe don maƙasudin manufa gaba ɗaya. Wannan ma'auni ya shafi bakin s...
duba daki-daki