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

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

Argon gas lights up a glass tube 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