Maganin saman filastik shine amfani da jiki, sinadarai, injiniyoyi da sauran hanyoyin a cikin sarrafa saman filastik, jiyya na saman shine saduwa da halaye na musamman na samfurin, kamar juriya na lalata, juriya, ado ko wasu buƙatu na musamman, wanda ake kira seco. ..
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