As a contractor, it is necessary to learn about source of project risks, nature and rule of occurrence, especially in the bidding and contract period, effective management shall be available.

作为承包商应该了解和掌握项目风险的来源、性质和发生的规律，尤其在项目的投标及合同阶段应实行有效的管理。

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The five initially were told they were being held in connection with the death in May of another contractor, James Kitterman, according to a source close to the five.

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It signed a deal earlier this year to source phones from an undisclosed Asian contractor that will work with the carrier's chosen technology, code-division multiple access (CDMA).

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The arrestees, using their knowledge of the controls surrounding construction contract procurement and payment and the weaknesses and enforcement of these controls, were able to falsify source documentation, effectively override invoice and payment controls, and facilitate overpayments to the contractor for their own personal monetary gain.

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