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electrical engineer working check the electric current voltage and overload at front of load center cabinet or consumer unit for maintenance in main power distribution system room.
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在救護車上使用醫療裝置時, 靠近手
worker with hardhat at the factory
electrical engineers inspect the electrical systems at the equipment control cabinet
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electrical engineers inspect the electrical systems at the equipment control cabinet
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the inspector checks the actual output voltage level of inverter
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couple gathering the equipment for climbing
两名学童在做工程项目的近距离拍摄
electrical engineers inspect the electrical systems at the equipment control cabinet
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close up view of two construction workers in orange uniform and hardhats shaking hands at the building object
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bicycle mechanic
两个白人男女工程师戴着头盔谈论大风车<unk>轮机的后景
construction of a transformer substation
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electrical engineer working check the electric current voltage and overload at front of load center cabinet or consumer unit for maintenance in main power distribution system room.
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plumber tightening a nut
worker with hardhat at the factory
construction of a transformer substation
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the technician repair electronic temperature sensors with an electronic soldering iron
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白人男子戴着头盔的工程师在电话中谈话, 观看可再生能源风电站的一些蓝图
woman picking materials for her project
electrical engineers inspect the electrical systems at the equipment control cabinet
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在新家的空房中放大移动盒子和梯子的镜头
the inspector checks the actual output voltage level of inverter
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electrical engineers inspect the electrical systems at the equipment control cabinet
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戴頭盔的男人和女人在巨大的風車<unk>輪上討論一些事情
electrical engineers inspect the electrical systems at the equipment control cabinet
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industrial engineers inspecting electrical panel
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electrician placing loose wires in electric panelboard before connecting them
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electrical engineers inspect the electrical systems at the equipment control cabinet
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白人男子和女子工程师戴着头盔和制服在决定可再生能源站的风车运营时交谈
校友用<unk>子压紧锡<unk>线的近距离拍摄
two construction workers in orange uniform and hardhats shaking hands at the building object
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animation of qr code scanner and data processing over caucasian engineer using laptop at factory
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construction of a transformer substation
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factory worker operating cnc machine
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electrical engineers inspect the electrical systems at the equipment control cabinet
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electrical engineer working check the electric current voltage and overload at front of load center cabinet or consumer unit for maintenance in main power distribution system room.
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construction of a transformer substation
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air conditioner side panel opened
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electrical engineer working check the electric current voltage and overload at front of load center cabinet or consumer unit for maintenance in main power distribution system room.
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plumber fixing shower head
man checking machinery
electrical engineers inspect the electrical systems at the equipment control cabinet
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兩個穿著<unk>色制服和頭盔的施工工人一起看計劃
operators working on machinery
woman sitting on sofa after drinking alcohol at house party suffering with hangover with let's party sign in background
白人女性工人戴着头盔,用她的智能手机拍摄风车<unk>轮机在日落时旋转的照片
execution of electrical measuring works on the power transformer
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hvac technician installs heating, ventilation and air conditioning systems
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an engineering employee makes a tour and inspection of a modern electrical substation. energy.
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