Metall glass joint vacuum tubes.

Author

Photographer: Sven Tetzlaff

Created on

Monday 16 August 2010

Posted on

Sunday 1 September 2019

Dimensions

5616*3744

File

LICENSED_test567_sunrain_MG_0208.jpg

File size

13696 KB

Keywords

Asia, China, ecology, ecosystem, energy, energy source, environment, environmentalism, Lianyungang, natural resources, Pacific, solar collector, solar power, solar thermal, solar tubes, solar water heater, Sunrain, SWH, vacuum tubes

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• Solar Thermal

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