24.08.2004, Narva, Johvi, Estonia - Workers isolating heat conduction pipes. (Estonia, Estonian, Europe, European, Baltic Republic, Baltic, Baltic States, Narva, city, humans, people, Caucasians, young, youth, men, workers, job, profession, work, working, isolation, isolate, isolating, isolated, heat conduction pipes, heat conduction, heat, heating, district heat, district heating, long-distance heating, electricity supplier, supplier, energetics, electricity, electric, electrical, electric current, electrical signal, energy, power, pipe, pipeline, economy, ecology, environment, environmental, environmental issues, green issues, males, 20 to 30 years, 20-30 years, twenties, repairs, drill, drilling, bore, boring, drilling machine, boring machine, drill machine, travel, horizontal) 00A175419ACAROE.JPG [MODEL RELEASE: NO, PROPERTY RELEASE: NO (c) caro images / Bastian, http://www.caro-images.com, [email protected] - In case of using the picture for any non-editorial purpose, please contact the agency - the picture is subject to royalty!]