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. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Bulgar, Wladimir |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |