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2021-11-29 10:52:21|已瀏覽:81次
話題:The chart below shows the process of waste paper recycling.
Stages four and five of the process both involve cleaning. The paper is cleaned and pulped, and foreign objects such as staples are taken out. Following this, all remnants of ink and glue are removed from the paper at the de-inking stage. Finally, the pulp can be processed in a paper making machine, which makes the end product: usable paper.
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