Anchor Bolt
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Nangula bawuti mkulu mphamvu 4.8 6.8 8.8 10.9 12.9 muyezo kukula Zinc Plain Anchors Concrete Foundation Anchors Bolts UNF UNC ANSI ASTM A307B, A449, F1554 kupanga mtengo wathunthu
Kupanga Tsatanetsatane Wopanga Ubwino wa YC Background YC Principle Phukusi
