The given illustration highlights information about for making plastic products what kind of raw materials are used.
Overall, it is a complex process which has eleven stages and requires various kinds of macheniry and experts to complete the process.
The diagram begins when raw materials are delivered from oil refinery in plant. And the next stage, they are heated in the high pressure oven, which cause long molecules of plastic are formed. Before plastic granules could be forced into a mould, plastic is melted in an injection moulder. If we look next stage, this stage indicates that ready produces are released from the mould and these plastics are checked by quality controllers. If controlled-products are waste, they will be disposed. Finally, prior to storing the ready produce, packing stage should be completed.
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