The most generally used flat-plate collectors include a blackened metal plate, covered with 1 or 2 sheets of glass, that is certainly heated from the sunlight falling on it. This heat is then transferred to air or water, called copyright fluids, that movement past the again in the plate. The https://polycrystalline-solar-pan94703.blogvivi.com/35745108/details-fiction-and-net-metering-solar