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An exit sign is a pictogram or short text in a public facility (such as a building, aircraft, or boat) marking the location of the closest emergency exit to be used ...
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As cases of the HMPV virus continue to increase in the U.S. and in China, here's what you need to know about the virus.
ISO 7010 is an International Organization for Standardization technical standard for graphical hazard symbols on hazard and safety signs, including those indicating emergency exits.
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The fluorescent lamps in one exit sign can contain more than 10 mg of mercury. 6 Thus, by switching to LEDs, a facility with 20 exit signs can reduce mercury use over a 10-year period from more than 750 mg to zero, and mercury emissions related to power use from 450 mg to 30 mg. 750 mg of mercury can contaminate over 1,000 fish to the point ...