It focus on key personnel of project management and engineering classes, such as project managers, technical director, cost engineer, and civil engineers.

流动率高的人才集中在工程管理和工程技术类的关键性人才，如项目经理、技术总监、造价师和土建工程师等。

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Alasdair Reisner, director of external affairs at the Civil Engineering Contractors Association, said its members had been in favour of lane rental schemes for years.

BBC: Lane rental scheme for digging up roads proposed