Zvishandiso zvakajairika zvehombodo dzepurasitiki: 1. Polyethylene Iyo polyethylene, iyo inoshandiswa zvakanyanya mumabhegi epurasitiki epurasitiki. Chine chiedza uye chiri pachena. Iyo ine mabhenefiti ekwakanakira mwando kuramba, oksijeni kuramba, acid kuramba, alkali resistance, kupisa chisimbiso, nezvimwewo, uye haisi ...
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