I.Rubber igbeyewo ibiti o: 1) roba: adayeba roba, silikoni roba, styrene butadiene roba, nitrile roba, ethylene propylene roba, polyurethane roba, butyl roba, fluorine roba, butadiene roba, neoprene roba, isoprene roba, polysulfide rubber, polyethylene ...
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