energy efficiency concept efficient house building rate label audit for sustainable development |
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| navigate by keyword : classification communication businesswoman conservation sustainable development improvement performance certificate electricity information businessman consumption efficiency smartphone technology innovation horizontal renovation inspecting assessment efficient appliance building business industry concept virtual holding economy ecology control diagram buttons energy person rating screen indoor saving global social issues choice house label audit power light arrow chart scale color rate bulb home idea use eco one |
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| Energy efficiency concept. energy efficient house building rate label audit for sustainable development. Person use smartphone with energy efficiency rating on virtual screen |
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