The electrical property of flame-retardant engineering plastics, especially comparative tracking index (CTI) is described.

这对阻燃型工程塑料的电性能，尤其是比较跟踪指数（CTI）进行了描述。

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Widely used in plastics and electrical insulation, PCBs -polychlorinated biphenyls - take decades to break down.

大量使用在塑胶，及电气绝缘体上的多氯联苯，需要几十年才会被分解。

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They were developed as heat exchangers in electrical transformers, and were widely used in plastics and paper manufacturing.

多氯联苯在变压器中被用作热交换器，广泛用在塑料和纸张的制造中。

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Key industries in the region that are expected to benefit the most include: construction, machinery manufacturing, fabricated metal manufacturing, water transportation, professional and technical services, electrical equipment manufacturing, plastics products manufacturing and primary metals manufacturing.

FORBES: 'Icebreaker': Offshore Wind Making Waves in Energy and Economic Development

The largest value increases in U.S. exports will be in machinery and electrical equipment, chemicals, rubber, plastics, wheat, rice, pork, and poultry.

CENTERFORSECURITYPOLICY: Garcia's two terms

Some of the industries within manufacturing that have shown the strongest growth over the last 12 months have included machine shops, manufacturers of metalworking machinery, plastics product manufacturing and manufacturers of electrical equipment and components, Sageworks data shows.

FORBES: Manufacturing's heavy lifting within the U.S. economy