[PDF] Solar thermal
day the themes of renewable energy and en ... lowed by natural gas with 6,932 MW (35 %), ... The solar water heaters are offered in both closed and ... expansion pot, the antifreeze liquid, valves… etc. ... to join the absorber sheet to the copper pipes is still ... Ciudad de la Innovación, 13 - E-31621 Sarriguren- Spain - Tel.
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pufansheng's website is pufansheng.com