| 1. | The back light, activated by a separate key, is very bright.
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| 2. | The vertical angle of the back light can change the effect.
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| 3. | The only light comes from the houseboat's back light, courtesy of the generator.
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| 4. | The first option is using Light Emitting Diodes ( LEDs ) to back light.
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| 5. | The bar is decorated with handmade glassware and bathed in a soft blue back light.
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| 6. | The back lights were broken out, so I spray-painted red paint over the white lights.
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| 7. | Someone flips the back lights on, illuminating the water.
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| 8. | It is formed by; the Key or main light, the fill light, and the back light.
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| 9. | And above that, the setting sun is a back light to a thick gathering of clouds.
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| 10. | When artificial, the back light is usually placed directly behind the subject in a 4-point lighting setup.
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