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1) Plastics that soften when heated,harden when cooled, and then can be heated and softened many times

2)chemical which dissolves others- used to join the layers of plastic in the key fob

User Ilo
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1 Answer

12 votes

Answer:

2 yes ot will 2 would be a yes but i dont know how i would put that into a paragraph

User Sosel
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