Umwenda ni rayon Rayon umwenda bivuga rayon, naho rayon nizina rusange rya fibre fibre.Ibanze shingiro rya fibre ya viscose ni selile.Ibikoresho byayo ni fibre naturel, ikorwa na alkalisation, gusaza, umuhondo nibindi bikorwa.Kubwibyo, viscose fibre ni ubwoko bwa reg ...
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