Fibre fibre ikorwa muburyo bwo gushonga amabuye yubushyuhe bwo hejuru, nkimipira yikirahure, talc, umucanga wa quartz, hekeste, na dolomite, hanyuma gushushanya, kuboha, no kuboha. Diameter ya fibre yayo imwe itangirira kuri microme nkeya ...
Soma Ibikurikira