Helium is produced underground by the radioactive decay of certain heavy elements. It is used in balloons, airbags,lights, lasers, and to cool super conducting magnets.
Neon, Argon, Krypton, and Xenon are produced by the fractional distillation of liquid air. They are used mostly in lighting, neon signs, Lasers, arc welding, vacuum tubes, high voltage indicators, television tubes, and producing ultra violet lighting.
I got more!
Will that do?
Lol...not easy! But surprisingly interesting. I had to phone a friend.