Object

• air: Long, thin noses help to warm and humidify the air as it is inhaled, and are more common in colder regions.

• environment: They must be protected from extreme temperatures and kept in a humidified environment: ideally 16-18 o Celsius and 65-70 % relative humidity.

• system: Complete with humidor set up instructions and full humidifying system.

Modifying Another Word

• not: It therefore appears probable that the oxygen therapy was not humidified.