Fenolike resin nayo yitwa bakelite, izwi kandi nk'ifu ya bakelite.Ubusanzwe ibintu bitagira ibara (byera) cyangwa umuhondo-umukara ibintu bibonerana, isoko ikunze kongeramo ibintu byamabara kugirango igaragare itukura, umuhondo, umukara, icyatsi, umutuku, ubururu nandi mabara, kandi ni granule na poro.Resistan ...
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