A gas cylinder containing helium being used to inflate a party balloon.

---

Size: 4500px × 4500px
Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 18, air, amusement, blow, blowing, buoyancy, buoyant, canister, colour, container, cylinder, cylindrical, dispenser, education, enjoyment, expanding, expansion, fill, filling, floating, fun, gas, green, group, helium, inert, inflating, inflation, lift, lighter, lighter--air, lightness, noble, party, partying, red, school, science