The diagram below shows the process for recycling plastic bottles.

    开头段

    The flow chart illustrates the process by which plastic bottles are recycled.

    概述段

    Overall, the whole recycling process can be divided into 9 steps, starting from the collection of discarded plastic bottles and ending with the production of new products.

    思路要点：
    - 总共9个步骤
    - 第一步：收集废瓶子
    - 最后一步：制作新产品

    Body paragraph 1

    Initially, used plastic bottles are disposed of in recycling bins, before being transported by a truck to a recycling center. This is followed by a sorting stage, during which recyclable bottles are separated from non-recyclable ones and other waste.

    思路要点：
    - 第1步：人们会将废品子投掷在垃圾桶中
    - 第2步：卡车运输废瓶子到回收中心
    - 第3步：可回收的瓶子、不可回收的瓶子及其他杂质分类

    Body paragraph 2

    In the next stage, the selected bottles are compressed into blocks for further processing. These blocks are then crushed into small pieces which are washed to remove impurities. Subsequently, the cleaned fragments are transformed into plastic pellets, after which they are heated to form raw materials.

    思路要点：
    - 第4步：可回收的废瓶子被压缩成立方块
    - 第5步：上述立方块被磨碎，水洗去除杂质
    - 第6步：清洗干净后的碎片被进一步加工成塑料托盘，随后被加热(第7步)

   Body paragraph 3 

    Before the whole process comes to an end, these newly-made raw materials are moulded into blocks. Finally, they are re-manufactured into a range of products, including plastic bottles, containers, bags, ballpoint pens, and clothing.

    思路要点：
    - 第8步：原材料制作完成，堆积成块
    - 第9步：原材料被制成新产品，例如塑料瓶、盒子、袋子、笔、衣服

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