• EllenKelly [comrade/them]
    ·
    3 个月前

    metal vinyl lol

    Polyvinyl chloride (alternatively: poly(vinyl chloride),[6][7] colloquial: vinyl[8] or polyvinyl; abbreviated: PVC[8]) is the world's third-most widely produced synthetic polymer of plastic (after polyethylene and polypropylene). About 40 million tons of PVC are produced each year

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