When a fluorescent bulb goes dark, the problem can actually be one of three things: the bulb, the ballasts, or the pins. By touching the bulb with its extending wand, this niche diagnostic tool can isolate the problem. You probably don?t need one for your basement lights, but the guy who works maintenance in a 12-story office building loves this thing.
Jessica Ennis Oscar Pistorius Aliya Mustafina Kirk Urso London 2012 Javelin roger federer Olga Korbut
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