You can use air but it won't float so I would recommend helium. If you suck in helium, it will make your voice sound weird.... Try it!!
Inhale
it can be used to fill helium balloons
Liquid helium is used to cool the superconducting electromagnets.
helium is used to cool superconducting magnets in mri scanners as helium is lighter then air airships use them as gasses
helium balloons
Hospitals use short-haul applications
Sure, why not? They can even use veterinarian hospitals, field hospitals, emergency response hospitals, or have a friend try to repair their problem. Those who are veterans certainly can, and do. I am not sure if these hospitals allow non-veterans to use them or not.
You can use air but it won't float so I would recommend helium. If you suck in helium, it will make your voice sound weird.... Try it!!
helium is used for excitation of neon atoms in helium neon laser..
They use sets not real hospitals.
Inhale
Helium is used for inflating balloons and dirigible airships.
it can be used to fill helium balloons
Hospitals use it for electricity, to lower the electricity bill.
No.
Yes.