Luminous efficacy
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What links here
Metal-halide lamp
Hydrargyrum medium-arc iodide lamp
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Borosilicate glass
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Color rendering index
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Electric arc
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Aquarium furniture
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Bunker Hill Monument
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Hadlock Field
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High-intensity discharge lamp
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Getter
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Luminous flux
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Skyglow
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Gas-filled tube
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Video projector
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LCD projector
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Headlamp
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Thorn Lighting
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MH
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Gardiner Expressway
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Queen Elizabeth Way
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Lighting
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Rare-earth element
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Fluorescent lamp
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Cape Arkona
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Timeline of lighting technology
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Xenon
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Ultraviolet
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Thallium
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Statue of Liberty
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Scandium
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Light pollution
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Empire State Building
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Dysprosium
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Charles Proteus Steinmetz
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