This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Farbton, Belichtung. The original can be viewed here: Solar heating system.jpg: . Modifications made by Georgfotoart.
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Original upload log
This image is a derivative work of the following images:
2008-07-03T08:06:24Z Genetics4good 1992x2212 (289284 Bytes) {{Information |Description=Hand-drawn picture based on ANRE's Brochure on solar heating system's (see http://www.energiesparen.be/algemeen/klik.php?link=http://www2.vlaanderen.be/ned/sites/economie/energiesparen/doc/folder_zo
== {{int:filedesc}} == {{Information |Description={{en|1=Hand-drawn picture based on ANRE's Brochure on solar heating system's (see http://www.energiesparen.be/algemeen/klik.php?link=http://www2.vlaanderen.be/ned/sites/economie/energiesparen/doc/folder_zonneboiler.pdf&doc=9). References on names for the parts may be derived from NREL (see http://www.nrel.gov/docs/fy04osti/34279.pdf ). Note that the use of a flat roof (displayed in the picture) also more easily permits the use of a (optional)...