{{Information |Description=A hand-drawn picture of a heat pump system schematic combined with cold and heat storage, based on a schematic from Geotherm Energy systems...
image is a derivative work of the following images: File:HeatAndColdStorageWithHeatPump.svg licensed with Cc-by-sa-3.0 2010-04-03T14:14:46Z Fred the Oyster...
DescriptionHeatAndColdStorageWithHeatPump.jpg A hand-drawn picture of a heat pump system schematic combined with cold and heat storage, based on a schematic...
This file has an extracted image: Formation periods of the most important coal deposits worldwide.svg....
