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SK-TF: Solar Kettle-Thermos Flask in Action: Geysers they are!
February 14, 2011
SK-TF, Solar Kettle-Thermos Flask, Solar Geysers, Solar Water Pasteurization, Solar Vacuum Tubes, Solar Water Boiling
SK-TF (Solar Kettle-Thermos Flask) in action: Caution, Boiling Water About to Erupt in full Geyser Glory!