I.Rubber kuyezetsa mankhwala osiyanasiyana: 1) Rubber: mphira zachilengedwe, mphira silikoni, styrene butadiene rabala, nitrile mphira, ethylene propylene mphira, polyurethane mphira, butyl mphira, fluorine mphira, butadiene mphira, mphira neoprene, mphira isoprene, polysulfide mphira, chlorosulfonated polyethylene ...
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