energy saving and mobile apps |
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navigate by keyword : alternative and app apps bulb businessman cfl clean compact conservation desk desktop draft eco ecology electricity energy environmental fluorescent generator hands holding household lamp light male man mobile natural outlet panel panels phone photovoltaic power project renewable resource saving smart smartphone solar sustainable switch top view |
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Man using a mobile touch screen smart phone next to a solar panel, a set of CFL lamps and a house project, energy saving concept |
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