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1
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a system of using solar energy to heat buildings without the use of mechanical devices to distribute the heat
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2
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heat engine operated by cylinder expansion that provides mechanical energy or produces electricity
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3
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location of the world's largest solar thermal system
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4
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invisible waves of heat
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5
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most effecient solar technology
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6
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can reach a temperature of 177 degrees Celcius
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7
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season with the most solar radiation
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8
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scatter incident light and absorb some of the sun's energy
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9
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energy from the sun
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