They are employed by roofing and general contractors, or they may be self-employed.
他们受雇于屋面和总承包商，或者有可能成为自雇人士。
Successful implementations in construction have led to corporate wide uptake by general contractors.
施工阶段的成功实施导致总承包商在全公司范围内使用。
Projects management: work with architects, general contractors, end users and explain the products benefits and results.
项目管理：帮助设计师，总包方，最终用户理解公司产品和优势。
This paper discusses the management model and operation process of general contract project item and analyzes the general contractors contract responsibilities and management system.
探讨了工程总承包项目的管理模式和运作过程，并在此基础上分析总结了总承包商的合同责任和管理体系。
The inspector general, Arnold Fields, said it's the first such accounting of contractors since the U.S. started its rebuilding effort in Afghanistan in 2001.
视察专员Arnold Fields指出，自2001年美国启动重建计划以来，这是第一笔与承包商的账目。
Audit more than three construction contractors, the contract review and approval of the general manager for the signing of the contract.
审核三家以上施工承包方，进行其合同评审。交于总经理审批签订合同。
Yuji Yokoyama, general manager at Obayashi, one of Japan's five big contractors, says that workers can build a storey in three days with its system, as compared to weeks if pouring concrete on site.
日本五大承包商之一大林组(Obayashi)总经理YujiYokoyama表示，借助这个系统，员工在3天内就能建成一层楼，而如果现场浇灌混凝土的话需要数周才能完成。
Yuji Yokoyama, general manager at Obayashi, one of Japan's five big contractors, says that workers can build a storey in three days with its system, as compared to weeks if pouring concrete on site.
日本五大承包商之一大林组(Obayashi)总经理YujiYokoyama表示，借助这个系统，员工在3天内就能建成一层楼，而如果现场浇灌混凝土的话需要数周才能完成。
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