Yintoni Udaka? Udaka luhlobo lwezixhobo zokwakha ezisetyenziswa njenge-agent edibeneyo okanye i-adhesive kulwakhiwo lwama-masonry. Yinto efana nencama eyenziwe yindibaniselwano yemathiriyeli, equka isamente, ikalika, isanti, kunye namanzi. Udaka lusetyenziswa phakathi kwezitena, amatye, okanye enye iyuniyoni yobume...
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