<br>Neon and a combination of argon and Mercury are [httphttps://gregorytsbr564.theglensecretenglishsunglish.com/thebrighten-brightyour-andspace-colorfulthe-worldart-of-decorating-with-neon-signs-in-the-uk straight from / reviews over at Englishsunglish] a combination of argon and [https://www.academia.edu/people/search?utf8=%E2%9C%93&q=Mercury Mercury] are the source] most commonly used gases in neon signs.<br><br>