Mapulasitiki osiyanasiyana amagwiritsidwa ntchito pa ulimi, kuphatikizapo, polyolefins (polyethylenes (PE), Polypropylene (PP), Ethylene-Vinyl Accetate Copolymer (EVA)) ndipo kawirikawiri, Poly-vinyl chloride (PVC), Polycarbonate (PC) ndi poly-methyl-methacrylate (PMMA).Makanema akuluakulu aulimi ndi awa: geome...
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