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yadda aka kera takardar PVC?
Yadda za a samar da takarda filastik?Ya haɗa da matakai masu zuwa: calending narkar da kayan filastik ta calenders cikin takardar fim ɗin filastik mai narkewa tare da ƙayyadaddun kauri, saurin sanyi da saita takaddar filastik mai narkewa tare da ruwan sanyi, cire ruwa daga fim ɗin filastik sanyaya, zafi ...Kara karantawa
