Ihe ndị a na-ejikarị akpa akpa akpa: 1. Polyethylene Ọ bụ polyethylene, nke a na-ejikarị eme ihe na akpa nkwakọ ngwaahịa rọba.Ọ bụ ìhè na uzo.Ọ nwere uru nke ezigbo mmiri na-eguzogide, ikuku oxygen, acid-eguzogide, alkali eguzogide, okpomọkụ akara, wdg, na ọ bụghị ...
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