| Close to natural light
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The spectrum of the light influences significantly well being and work performance. From distributing day light up to the energy saving lamp with close to daylight spectrum
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| Volume of fuels
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Usage of space compared for fuel oil, oilseed rape oil, hard coal, ethanol, wood pellets, straw pellets and wood from spruce.
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| Flat roof sealing
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Triple amorphous photovoltaic from Uni Solar integrated into the flat roof sealing. Instead of costly mounting of the photovoltaic, it's already done with the roof sealing.
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| Falling protection for snow shoveling on the roof
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How to protect oneself at snow showeling on the roof? We found the specialist for this question on the booth of Sitex. A comprehensive report about this is in planing.
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| Solar resarch car
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A car and a solar filling station. We are just before the turning point where mineral oil is much more expensive than electric power from the sun.
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2006 
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