ENERGY · SCIENCE|natural and applied sciences
- téamh spáis Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- Definition heating of the space within a building Reference The Need (National Energy Education Development) Project, "Intermediate Energy Infobook". Virginia, 2011. http://www.need.org/needpdf/infobook_activities/IntInfo/SolarI.pdf [25.6.2012]