bn:03519512n
Noun Concept
EL
παθητική ηλιακή σχεδιασμό των κτιρίων  παθητικό ηλιακό σχεδιασμό
EN
In passive solar building design, windows, walls, and floors are made to collect, store, reflect, and distribute solar energy, in the form of heat in the winter and reject solar heat in the summer. Wikipedia
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