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Topics
[1] LED Panel Lamps
[2] Interesting spectral phenomenon in coloured metal halide lamps
[3] What are you using to light your desk?
[4] Ink used for lamp etching.
[5] Found the reason why the american F32T8s can be operated on rapidstarts
[7] Filament keeps shorting in 40 watt intermediate base bulb!
[8] Light bulb sighting at Internet Movie Car Database
[9] The difference between BALLAST FACTOR & POWER FACTOR
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