وسائل ٹیگ کردہ: Paper

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  1. Understanding Paper Recycling

    01 جنوری 1986 Modern machines form paper in a continuous ribbon or web, not a single sheet at a time as did the ancients. A good papermaker in the olden days could make enough sheets in a day to weigh about 90kg. Today, an average machine makes 90,000kg per day! Much of the paper produced ultimately ends up as...
    Paper Industry Recycling Paper VITA Downloads