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heat exchangers and appliances for liquefaction of air or other gases
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energy and mineral resources
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heating
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installation services of control and control systems
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construction work for water treatment plants
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project management advisory services
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engineering and construction consultancy services
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electrical installation works
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consulting services for infrastructure works
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construction inspection services
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sewer pumps
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technical design services
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construction work for waste water treatment plants
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construction work for water and sewerage pipelines
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gas filtration or purification apparatus and apparatus
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construction work for waste water pumping stations
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general construction work of pipelines
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construction work related to the installation of pipelines
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wastewater treatment
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steam and air supply
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heat exchangers and appliances for liquefaction of air or other gases
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culture and education
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recreation and entertainment
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sports federations
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sports organisations
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sports
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construction and real estate
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construction and real estate services
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energy
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energy and mineral resources
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real estate property management
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heating
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general and home services
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gas filtration or purification apparatus and apparatus
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general construction work of pipelines
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activities of sports clubs
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steam and air supply
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