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130+ Child Turning Off Light Stock Photos, Pictures & Royalty-Free Images - iStock | Saving electricity, Turning off light switch, Coral reef
Why is it that the LED lights of adapters don't go off instantly as soon as we turn off the switch? - Quora
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Energy saving tips: I turn lights off obsessively - am I saving money or just wasting my time and annoying my family? | This is Money
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