Zinyalala za PET (polyethylene terephthalate) zimawonongeka kwambiri pambuyo pa chithandizo chimodzi kapena zingapo. Ngati palibe njira zolipirira zogwiritsidwa ntchito mwachindunji popanga, ntchito yokonza ndi zomwe zimapangidwa zidzakhudzidwa. Katundu wamakina adzakhala wosauka kwambiri, mawonekedwe ake ndi achikasu, ...
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