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10 0 Passive solar heating of the pools through architectural fabric ( 2015-08-03 14:24:16 -0500 )
10 0 Passive solar heating of the pools through architectural fabric ( 2014-11-24 12:10:46 -0500 )
10 0 Passive solar heating of the pools through architectural fabric ( 2014-11-12 13:34:04 -0500 )
10 0 Passive solar heating of the pools through architectural fabric ( 2014-11-12 13:24:36 -0500 )