How plastic bottles are made..

Posted: October 14, 2010 in TECHNOLOGY

This is the video that explains how plastic bottles are made. It is a bit difficult to understand but after listening to it twice you will understand a lot of things.

Try to answer these questions:

1.- What two food items are mentioned at the beginning of the video?
2.- Why is plastic better than glass?
3.- How many bottles are produced per hour?
4.- What is a plastic injection moulding machine?

Here you have some key vocabulary:

– PET
– plastic bottles and jars
– plastic packaging
– mould
– pre-form
– quality control testing
– compression test
– resistant to vacuum pressure
– malleable
– pressure
– shape
– converger belt

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