Bakin karfe welds yana da sauƙi don tsatsa don manyan dalilai 3 Na farko, saboda bakin karfen weld ɗin, an raba shi da sandar walda, yana cikin maganin sarrafa dumama, wanda ya haifar da sinadarin baƙin ƙarfe ba shi da tsarki, ya gamu da danshi da iskar oxygen a cikin iska. yana da sauki...
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