Stone Polymer Composite (SPC) Pansi ndi imodzi mwazinthu zamakono zopangira pansi.Monga momwe dzina lake likusonyezera, linapangidwa kuchokera ku zinthu ziwiri zosiyana.Yoyamba, mwala, imatanthawuza miyala ya laimu yomwe imapanga zoposa theka la zomwe zili pansi.Lachiwiri, polima, limatanthawuza polyvinyl chlorid ...
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