Ethers ya selile ni polymer zishonga mumazi zikomoka kuri selile, polymer nyinshi cyane muri kamere. Mu myaka irenga 60, ibyo bicuruzwa bitandukanye byagize uruhare runini mubikorwa byinshi, uhereye kubicuruzwa byubwubatsi, ububumbyi n’amabara kugeza ibiryo, amavuta yo kwisiga n’imiti ....
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