Canister of nitrous oxide gas. Nitrous oxide is a colourless, odourless gas that is used as an anaesthetic in dentistry and surgery. It is also used as a propellant in whipped cream dispensers and in various industrial processes. | |
Licence : | Libre de droits |
Crédit: | Science Photo Library / Bulgar, Wladimir |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |