(4).Does LED lights really save energy?🤔🤔

. Does LED lights really save energy?

LED is a highly energy-efficient lighting technology, and has the potential to fundamentally change the future of lighting in the United States. Residential LEDs -- especially ENERGY STAR rated products use at least 86% less energy, and last 25 times longer, than incandescent lighting.

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Atomic structure handwritten notes for 12th, jee, meet, jam.

Surface chemistry handwritten notes for jee and neet

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The story of why the wedding ring is worn on the left hand? 🤔🤔

The story of why the wedding ring is worn on the left hand can be traced back to ancient times (really!). In that era, the Romans believed that the vein in the ring finger (the fourth finger ) on the left hand ran directly to one's heart. Because of this belief, they called that vein the "vena amoris" or vein of love.

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