Umugozi wa polyethylene urwanya cyane ruswa, irwanya kwambara, itoroshye, irwanya gusaza, imbaraga zikaze, imikorere myiza yimyenda, uburyo bwiza bwo guhumeka neza, kuramba, bikwiranye nintego zitandukanye.Hariho ubwoko bwinshi bwibicuruzwa, bibereye ubuhinzi, uburobyi, ubworozi bw'amafi, imyambaro, inkweto, imizigo, a ...
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