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Which gas is used to illuminate billboards and roadsigns?

April 26, 2017billboards Gas illuminate roadsigns Used

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Which gas is used to illuminate billboards and roadsigns?

1 Answer

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10 Posted

Its mostly Argon and a small amount of mercury. Its the main ingredients inside a flourescent lightbulb, which are used to light up billboards and highway signs. See the related link for more information on flourescent bulbs.