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Luminous - efficiency
written 5.6 years ago by gravatar for teamques10 teamques10 ★ 64k •   modified 4.8 years ago
building services and repairs
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written 5.6 years ago by gravatar for teamques10 teamques10 ★ 64k •   modified 4.8 years ago

This is the ratio of light output from a lamp to the electric power and it consumes and measured in lumens per watt (LWP).
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