-s-Obrazy i plakaty Construction technician working by leveling concrete floor to smooth. Construction worker uses long trowel spreading wet concrete pouring at construction site. Mason making smooth surface of concrete#F578755381
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-s-Obrazy i plakaty A worker in safety gear installing solar panels on a sloped roof with tools nearby#F1152140892
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-s-Obrazy i plakaty Technology solar cell, Engineer service check installation solar cell on the roof of factory. technician checks the maintenance of the solar panels#F571258514
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-s-Obrazy i plakaty Engineer or electrician checking and maintenance on replacement solar panel at solar power plant,Green energy and sustainable development for solar energy power generator.#F452405748
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-s-Obrazy i plakaty Male professional engineer installing solar photovoltaic panel system, Electrician mounting blue solar module technology on power industrial factory roof, Alternative energy ecological technician job#F603597748
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-s-Obrazy i plakaty engineer inspection and checking oil tank for transportation on rail system. #F666046261
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-s-Obrazy i plakaty Professional electric engineers survey and inspect solar panels installation on the factory metal sheet roof top.#F705060053
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-s-Obrazy i plakaty Khimki, Russia - June 14, 2018: Worker on the construction spins the screwdriver#F209490859
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-s-Obrazy i plakaty MALACCA, MALAYSIA -MARCH 25, 2016: Construction workers fabricating timber form work at the construction site in Malacca, Malaysia. The form work was mainly made from timber and plywood. #F370372135
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-s-Obrazy i plakaty Asian engineer working at Floating solar power plant,Renewable energy,Technician and investor solar panels checking the panels at solar energy installation#F533190698
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-s-Obrazy i plakaty Photo capturing a male engineer wearing a yellow west#F663833083
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-s-Obrazy i plakaty bricklayer erecting concrete wall#F49487938
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-s-Obrazy i plakaty Hispanic man worker in safety hardhat helmet at steel factory, metal sheets and industrial machinery in a large manufacturing plant.#F1323919413
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-s-Obrazy i plakaty Side view industrial technician worker touch to check and maintenance solar cell panels on rooftop of factory building. Green and sustainable energy concept to good environment.#F699739039
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-s-Obrazy i plakaty Asian man Engineer using tablet technology work on site construction road inspection work professional focus on tablet#F362532497
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-s-Obrazy i plakaty Workers on Metal Roof#F519215698
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-s-Obrazy i plakaty UT, Ultrasonic testing to detect imperfection or defect in welding of steel plate structure in factory. NDT Inspection.#F1595857266
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-s-Obrazy i plakaty UT, Ultrasonic testing to detect imperfection or defect in welding of steel plate structure in factory. NDT Inspection.#F1226394792
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-s-Obrazy i plakaty Amazing ice crack texture background, Close-up texture surface cracks of the natural ice in frozen water at Baikal lake, Russia.#F623065595
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-s-Obrazy i plakaty QC Technician inspector using welding gauge inspection butted weld on plate steel structure in industry fabrication factory. NDT#F604237516
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-s-Obrazy i plakaty Industrial welder welding fabricated construction in factory, Welding process by Flux Core Welding, FCAW#F1595857336
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-s-Obrazy i plakaty UT, Ultrasonic testing to detect imperfection or defect in welding of steel plate structure in factory. NDT Inspection.#F1595857326
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-s-Obrazy i plakaty UT, Ultrasonic testing to detect imperfection or defect in welding of steel plate structure in factory. NDT Inspection.#F1595857299
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-s-Obrazy i plakaty UT, Ultrasonic testing to detect imperfection or defect in welding of steel plate structure in factory. NDT Inspection.#F1595857252
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-s-Obrazy i plakaty Technician inspector using welding gauge inspection butted weld on plate steel structure in industry fabrication factory. NDT#F337898778
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-s-Obrazy i plakaty Industrial welder welding fabricated construction in factory, Welding process by Flux Core Welding, FCAW#F1095733903
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-s-Obrazy i plakaty Sand blasting process, Industial worker using sand blasting process preparation cleaning surface on steel before painting in factory workshop.#F533958652
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-s-Obrazy i plakaty Sand blasting process, Industial worker using sand blasting process preparation cleaning surface on steel before painting in factory workshop.#F358561101
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-s-Obrazy i plakaty Roller Brush Painting, Worker painting on steel surface wall by the roller brush for protection and corrosion.#F145968004
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-s-Obrazy i plakaty QC Technician inspector using welding gauge inspection butted weld on plate steel structure in industry fabrication factory. NDT#F604237509
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-s-Obrazy i plakaty Landscape view of frozen Cape Khoboy - Baikal lake winter with sunset sky background, the most famous tourist attraction in Olkhon island at Baikal lake, Russia#F623065722
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-s-Obrazy i plakaty Putra mosque during sunset sky, the most famous tourist attraction in Malaysia.#F166858842
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