Pali zida zazikulu zitatu zopangira ma bawuti a giredi 12.9 (nangula 12.9 wedge, 12.9 kudzera pa bawuti): nangula wachitsulo cha kaboni, nangula wa chitsulo chosapanga dzimbiri, ndi nangula wamkuwa. (1) Chitsulo cha carbon (monga carbon steel Wedge Anchor Bolts). Timasiyanitsa zitsulo zotsika za carbon, sing'anga mpweya zitsulo, mkulu mpweya zitsulo ndi ...
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