Butyl polymer is used as the insuation and coloring for the installing and laying work.

绝缘线芯分色，为敷设安装提供方便。

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At every important link, there presented technical requirements and relevant measures, so as to make the laying work to be carried out successfully.

在各个环节，提出相应的技术要求和措施，保证了沉管敷设工的顺利进行。

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Laying work is completed, due to the natural adhesive was still drying process, so wet cleaning work must be thoroughly dried after the adhesive (approximately 48 hours) before proceeding.

铺设工作完成后，由于胶粘剂尚在自然干燥过程中，因此潮湿的清洁工作必须在胶粘剂彻底干透以后(约48小时)方可进行。

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Trading standards said most doorstep crime involved offers to do work such as laying a drive or roofing work.

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In 2009, Mr. Formanowicz closed one his five Polish plants, laying off most of the work force, and invested in better machinery to boost productivity at the four remaining.

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"The practice goes back to day one, of not laying off employees for lack of work, " he says.

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