plastic articles are available in all possible shapes and sizes. Why?
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Plastic is a unique material which becomes soft on heating and hard on cooling. It melts at moderately high temperature without decomposing.
As liquids have a tendency to take the shape of container therefore, when molten plastic is poured in different vessels, it takes the shape of vessel on cooling. Thus a plastic can be moulded into different shape and sizes.
But plastic is so dangerous it will not corroded easily in the soil. It will remains so many ears. so plz don't use the plastic covers are plastic toys.
As liquids have a tendency to take the shape of container therefore, when molten plastic is poured in different vessels, it takes the shape of vessel on cooling. Thus a plastic can be moulded into different shape and sizes.
But plastic is so dangerous it will not corroded easily in the soil. It will remains so many ears. so plz don't use the plastic covers are plastic toys.
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