and Dental (Surgical Procedures), the portable ... Rotary Control knob for the selection of the Oxygen/Nitrous Oxide mixture. When the unit is turned ON, the output of the O 2 /N 2 O gas mixture ...

Inhaling nitrous oxide can cause fainting ... When the gas is administered to patients, in either dental or medical offices, ...

Widely sold in small metal canisters, nitrous oxide is a colourless gas used as a propellant - for example, in whipped-cream dispensers. Hospitals and dental practices also use big cannisters of ...

Nitrous oxide is regularly used in big canisters as an anaesthetic inhaled by patients at hospitals and dental surgeries.