Nk’uko imibare ibigaragaza, isoko ryo gutunganya amacupa ya plastike ku isi ryageze kuri toni miliyoni 6.7 muri 2014 bikaba biteganijwe ko rizagera kuri toni miliyoni 15 muri 2020. Muri byo, 85% ni polyester ikoreshwa mu gukora fibre, hafi 12% ni amacupa ya polyester, asigaye 3% ni ugupakira kaseti, monof ...
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