Kumvetsetsa RPET ndi Ubwino Wake Wachilengedwe RPET, kapena Recycled Polyethylene Terephthalate, ndi zinthu zopangidwa pokonzanso mapulasitiki a PET (Polyethylene Terephthalate), monga mabotolo amadzi ndi zotengera zakudya.Kugwiritsanso ntchito zinthu zomwe zilipo kale ndi njira yobwezeretsanso zomwe zimasunga zinthu, zofiira...
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