materials used to make cd
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One of the materials used to to make compactdisc is aluminum. Aluminum is a light weight metal and is non magnetic. It is also a non toxic metal. (When something is non toxic it is not harmful.) You could also shape the aluminum intoanything you'd like. Glass is another material usedto make compact disc, but we do not use glass anymore because we have developed a new material. The material is better for surrounding the aluminum. The material is plastic. Plastic is better because if you drop compact disc that is made with plastic it would not break as easily as a compact disc that is made of glass.
One of the materials used to to make compactdisc is aluminum. Aluminum is a light weight metal and is non magnetic. It is also a non toxic metal. (When something is non toxic it is not harmful.) You could also shape the aluminum intoanything you'd like. Glass is another material usedto make compact disc, but we do not use glass anymore because we have developed a new material. The material is better for surrounding the aluminum. The material is plastic. Plastic is better because if you drop compact disc that is made with plastic it would not break as easily as a compact disc that is made of glass.
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