what is made up of a large number of ester units
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polyester is made up of large no of ester units.
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Polyester is commonly made up of the repeating units of chemical know as the ester and ester are the chemical which offer the fruits and their smell.
When it comes to the fabric which are sold by the names such as polycot polywool terrycot ect a.
Apart from that the names suggest and these are made by mixing two type of fibres with no trouble and risk of it.
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