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Welder working with electrode at semi automatic arc welding in manufacturing production plant.
Portrait of Young Professional Heavy Industry Engineer / Worker Wearing Safety Vest and Hardhat Smiling on Camera. In the Background Unfocused Large Industrial Factory where Welding Sparks Flying.
A welder wearing mask and eye protection, welding a pipeline. Industry worker welding
Male worker inspection and measurement thickness pipeline oil and gas at check record pipeline oil
Modern water supply and sewerage system. Underground pipeline works. Water supply and wastewater disposal of a residential city. Close-up of underground utilities. View from the big pipe

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