Lamps Get Dark Circles Too!
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Fluorescent lamps sometimes have these dark rings. They usually form around the edges. Lamps usually go bad after they get these dark rings. What are they? Why do they form? Why are they bad?
Fluorescent lamps sometimes have these dark rings. They usually form around the edges. Lamps usually go bad after they get these dark rings. What are they? Why do they form? Why are they bad?
