Amashanyarazi ashyushye ashyushye ni ubwoko bwibintu bishobora gushyuha-gushonga kugirango bikore firime ifite umubyimba runaka, kandi guhuza ibishyushye bishyushye bishyirwa mubikorwa. Firime ishyushye ya firime ntabwo ifata kimwe, ahubwo ni ubwoko bwa kole. Nka PE, EVA, PA, PU, PES, polye yahinduwe ...
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