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  • Zvakawanda sei zvaunoziva nezvePVC foam profiles

    Zvakawanda sei zvaunoziva nezvePVC foam profiles

    Pakaunzwa maPVC foam profiles muma1970s, akanzi "huni remangwana," uye chimiro chavo chemakemikari polyvinyl chloride.Nekuda kwekushandiswa kwakapararira kweyakaomarara PVC yakaderera furo zvigadzirwa, inogona kutsiva dzinenge dzese zvigadzirwa zvehuni.Mumakore achangopfuura, t...
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