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  • Heating principle

    Heating principle澳门美高梅app网址软件下载

    Because of the larger proportion of hot water than cold water, cold water flows downward and hot water goes upward.

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  • What is the Solar Water Heater?

    What is the Solar Water Heater?澳门美高梅app网址在线娱乐

    Solar water heaters use the solar energy from the sun to generate heat (not electricity) which can then be used to heat water for showering...

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