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The light output doesn’t go up by nearly a factor of four
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Adding aluminum improved the situation, but not by much.
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A shorter length of cable might be suitable for a cheap laptop brick power supply.
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A welding pliers wiggled nearly the entire tab at once
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The heater duty cycle should be lower at any given temperature
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It reports something about the internal state of the cash register
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Perhaps pebbles now count as tactile paving
