Typical units are cubic yards for excavation or concrete work and tons for structural steel.
典型的单位是挖方或混凝土工程的立方码和布局钢的吨位。
Appropriate background and work experience in any of oil, gas, petrochemical, power generation, refinery, mining equipment, rail transport, structural steel, shipping or process industries.
具备以下任一行业工作经验和背景的从业者：油、气掘采设施、石油化工、电站、炼油厂、矿山机械、轨道运输、钢结构、造船及机械加工等。
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