<unk>  machine, showing sevoflurane (yellow) and isoflurane (purple)<unk> s on the right An<unk>  (American English) or<unk> <unk>  (British English) is a device generally attached to an<unk>  machine which delivers a given concentration of a volatile<unk>  agent. It works by controlling the vaporization of<unk>  agents from liquid, and then accurately controlling the concentration in which these are added to the fresh gas flow. The design of these devices takes account of varying: ambient temperature, fresh gas flow, and agent vapor pressure.
Anesthetic vaporizer
Inhalational anesthetic
Nebulizer
Detergent
Nicotine nasal spray
Nicotine polacrilex
Gas mask
Betahistine