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150W LED Light Bulb, LOHAS A19 LED Light Bulb Equivalent 17W, E26 Base Edison Light Bulb, Non-Dimmable 1600LM Daylight 5000K, High Brightness Energy Efficient Light Bulbs for Home Lighting, 4 Pack :
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Energy-Efficient Lighting
What is Energy Efficient Lighting and Techniques to Implement It
