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PLASTICS (PROPERTIES OF PLASTICS: The properties of plastics depend on…
PLASTICS
PROPERTIES OF PLASTICS: The properties of plastics depend on their type and on their composition, strength, elasticity, rigidity and flexibity are characteristics of many plastics, although they vary from one type to another. There are properties that are common on the majority of the plastics:
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ECOLOGYCAL PROPERTIES: We can recycle plastics. There are three recycling processes: chemical, mechanical and energetic.
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ENERGETIC RECYCLING:We can incinerate plastics and the energy that is producec is used in industry, for heating or producing electricity.
CHEMICAL RECYCLING: We apply chemical processes to make new materials from the original components of plastics
residues 
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JOINING PLASTICS: When plastics have been formed, shaped and finished, we can join pieces to each other
The joins can be:
PERMANENT JOINTS:
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