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Topics
[1] Do you "really" hate, or like LEDs?
[2] Which lamp do you like best?
[3] How to fix a dead Penning mixture HPS lamp?
[4] GE Halogen "modified spectrum" A19s
[6] Germicidal lamp safety precautions
[7] led lights causing GCFI to open
[9] cities that still use mercury vapour lamps. also, do the new LEDs look like DX?
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