This is a documentary video about how does plastic bags are made. This is a whole process from using the primary plastic material to the finished goods. At first using the plastic primary material, using polyethylene, and putting them in a mixed and using some additives. After than taking them to and extruder and melting the plastic, after that in another machine making a ling tube with a length of more that hundred of meters. Then letting the plastic to gradually cool down and then leading then to rollers to be cut into the width requires. After that rolling the plastic film.
Categories: Art and Literature , Autos and Vehicles , Business & Management, Documentary , Educational, Entertainment, News & Report, Science & Technology
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