The diagram shows the process for recycling plastic bottles. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram illustrates the process of recycling

plastic

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bottles

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into end products.

Overall

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, the process highlights an efficient system for transforming waste

plastic

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bottles

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into reusable material. It involves nine main steps, beginning with the collection of used

bottles

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and ending with the production of new items.

Initially

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,

plastic

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bottles

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are discarded in designated recycling bins (

Step

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1). These bins are

then

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emptied by garbage trucks, which transport the

bottles

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to a recycling centre (

Step

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2). At the recycling centre, the

bottles

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are sorted based on their type and quality (

Step

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3). After sorting, the

bottles

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are compressed into large blocks to facilitate handling (

Step

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4). These blocks are

then

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crushed into smaller pieces (

Step

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5) and washed to remove any contaminants (

Step

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6). The clean

plastic

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pieces are

then

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heated and melted to form

plastic

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pellets (

Step

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7). These pellets serve as raw material (

Step

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8), which is

subsequently

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moulded and processed into new products

such

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as

bottles

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, clothing, and other

plastic

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items (

Step

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9), returning back to the beginning.