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Crude oil extraction from Monterey Shale near Bakersfield, California, USA.
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Engineer in electric power plant inspecting a electrically controlled valve
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Engineer inspecting valves during power station outage, low angle view
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Red Knobs and Pipes, 798 Art District, Chaoyang District, Beijing, China
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Old Pipes and Knobs, 798 Art District, Chaoyang District, Beijing, China
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Engineers discussing CAD drawings onscreen of exhaust valve actuator in factory
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1970s INTERIOR ATOMIC POWER PLANT MAZE OF PIPES PIPING VALVES GAUGES NUCLEAR ENERGY INDUSTRY
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Close up of a gauge on a copper brew kettle or fermentation chamber.
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Portrait of worker with arms crossed leaning on large valve in industry
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metal beverage dispensers (coffee and tea urns) on buffet table in French restaurant, Paris, France
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Engineer in electric power plant adjusting condenser piping valve
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Young male vodka distiller adjusting valve in distillery workshop
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Engineers repairing flange valves during power station outage, high angle view
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Senior and apprentice engineers adjusting pipework in power station
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Vintner in lab coat and hard hat examining stainless steel vat in cellar
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Man pouring sack of barley into wort to make beer at home brewery
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Student in wheelchair beside furnace fuel flow controls in HVAC classroom
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Man holding sack of barley into wort to make beer at home brewery
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