Plastics are new man-made materials based on the polymer-a long chain of molecules, They are divided into two types: thermo-setting and thermo-plastic. They have countless uses. They come in a wide variety of forms and with many different properties. Properly chosen plastics are not substitues but better materials in their own right. But their properties must be matched to the task they are to perform. A Shell film made in 1962. Music by Stanley Myers. Narrated by Gordon Henry Davies. Used for the BBC Trade Test transmissions around the 1970s.
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