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Several heating pipes with a turn against the blue sky
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Equipment cables and piping as found inside of a modern industrial power plant
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Large ventilation pipes on the ceiling
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Long metal tube for the air conditioning of a large workshop
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Ventilation pipes and ducts of industrial air condition
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Stainless steel pipes in the factory
Equipment cables and piping as found inside of a modern industrial power plant
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Ventilation system on the ceiling of large buildings ventilation pipes in silver insulation material hanging from the ceiling inside new building
Ceiling with chilling airpipe airway air ventilation insulation covered
Industrial zone steel pipelines valves and ladders
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Building rooftop air conditioning duct
Equipment cables and piping as found inside of a industrial power plant
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Air conditioning compressor outdoor unit
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Air duct conditioning ceiling in the building
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