Think signs are just metal and light bulbs? Think again. The sign and lighting industry is one of the most technically demanding skilled trades in the country — and one of the least talked about. Test your knowledge with these fun facts and trivia questions. Q: How high can a sign technician work on a manlift? A: Many aerial work platforms reach heights of 60 feet or more. Sign techs are trained to operate safely at elevation, which is why manlift certification is one of the first things we t...

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