Argon gas lights up glass tubes shown by YESCO’s senior vice president Jeff Young during a tour …

Argon gas lights up glass tubes shown by Yesco's senior vice president Jeff Young during a tour ...

Argon gas lights up glass tubes shown by Yesco’s senior vice president Jeff Young during a tour at YESCO in Las Vegas on Tuesday, March 10, 2020. (Elizabeth Page Brumley/Las Vegas Review-Journal) @EliPagePhoto