Monga imodzi mwa mapulasitiki aumisiri, zinthu za nayiloni "zosintha zitsulo ndi mapulasitiki, zogwira ntchito bwino kwambiri", zimagwiritsidwa ntchito kwambiri.Chifukwa cha kulemera kwake, mphamvu zambiri, kudzipaka mafuta, kusavala, anti-corrosion, kutchinjiriza ndi zina zambiri zapadera, ndizogwiritsidwa ntchito kwambiri ...
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