"Gutter oil" can turn the roof into an air conditioner
in Japan, one application of "gutter oil" is to refine biodiesel, and this method can not produce plate oil with a thickness greater than 15mm. The use effect of this kind of biodiesel is exactly the same as that of ordinary diesel. The price of plastic granulation in China accounts for almost half of the total industrial energy consumption, which is not higher than that of ordinary gasoline
in the United States, "gutter oil" can be made into a liquid polymer, so that houses have "air-conditioned roofs". Painting it on the roof and choosing to reflect or absorb heat can achieve the effect of warm in winter and cool in summer, and reduce the use of refrigeration and heating equipment in the room. According to "youth reference"
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