1. Ipayipi lezimayini le-PE Phakathi kwawo wonke amaplastiki ezobunjiniyela, i-HDPE inokumelana nokugqokwa okuphezulu kakhulu futhi ibonakala kakhulu. Lapho isisindo samangqamuzana siphakama, kulapho impahla imelana nokugqokwa, idlula ngisho nezinto eziningi zensimbi (njenge-carbon steel, insimbi engagqwali, ithusi, njll.). Ngaphansi komhlangano ...
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