Strong, shatterproof and a highly valued form of polyester, PET is a by-product of the oil industry.
PET是炼油业的附属产品，是一种强壮，抗摔打和性价比很高的聚酯。
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And polyester prices are also on the upswing: With the cost of oil climbing (see below), so is the fiber made from it-between 20% and 25%, the Wall Street Journal adds.
聚酯纤维的价格也在上涨：由于油价攀升，纤维也涨价了20%至25%，华尔街日报补充到。
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The products are widely used in such trades as oil, chemical, military, medicine, polyester fiber and in such places as gardens, streets, squares, private villa, flower gardens lawns and so on.