Gu traidiseanta, bidh daoine gu tric a’ cleachdadh stuthan bakelite, dealain, nylon, plastaig, rubair, ceirmeag agus stuthan inslithe eile mar innealan dealain matrix ris an canar còmhla innealan dealain bakelite.Is e seo an ceanglaiche dealain riatanach eadar an inneal ...
Leugh tuilleadh