Ver el código de «What State Of Matter Is Present In Neon Signs»

<br>Neon signs are basically glass tubes filled with gas and  [https://technewstop.org/the-impact-of-neon-signs-on-business-branding-and-consumer-behavior/ bright shop display lighting] vapor  indoor neon signs so the major  vintage neon signs states of matter would be solid (for the glass) and gas.<br><br>http:/enzperiodzwikipediazperiodzorg/wiki/Neon_sign<br><br>