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| View Original: | Geothermal Systems.jpg (314x235) | |||
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| Keywords: Geothermal Systems.jpg A picture which appears to show heat exchange pipes entering and exiting the ground en wikipedia Teratornis CommonsHelper 2006-11-28 Marktj wikipedia en Marktj original upload log page en wikipedia Geothermal_Systems jpg 2006-11-28 04 20 Marktj 314×235× 22105 bytes <nowiki>Mark Johnson's Geothermal Picture</nowiki> Building engineering Geothermal energy Geotechnical engineering Heat pumps | ||||
