stack used paper test after the examination classroom |
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navigate by keyword : background blank collection combine concept consumption day disposal document eco friendly ecological education environment examination garbage global heap hold management material pack paper test papers paperwork pile preparation print sides quantity recycle recycled materials recycling reduce report reuse rope school sort stack stacked tie used waste wastepaper white work |
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Stack of used paper test after the examination in classroom, combine to use next time or take to recycle process. Concept, paper garbage management. Reduce reuse, recycle for environment. Sort garbage |
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