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bluelagoon
Geothermal power plant
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The Nesjavellir Geothermal Power Plant in Þingvellir, Iceland
publicdomain
Railway tracks by the beach
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Kuwait National Petroleum
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Pressure Guage in an industrial line
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Kuwait National Petroleum
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Kuwait National Petroleum
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Kuwait National Petroleum
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Kuwait National Petroleum
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Alaska Pipeline
凤凰于飞翙翙其羽
Space sensing pipeline
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