Piggy banks with sockets, symbolically as energy efficiency classes

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Size: 11220px × 3300px
Photo credit: © m.schuppich / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: background, banks, classes, classification, consumption, costs, ecology, efficiency, electricity, energy, isolated, piggy, pigs, power, save, saving, socket, symbolic, white