humidification

to humidify

To perform; to do; to conduct oneself; to carry out.

to use / to employ / to make use of, to apply / to spend

aridity, dehydration, desiccation

to dry, to dehydrate, to desiccate

room (of a house or hotel), chamber, apartment, flat / (sumo) a stable where rikishi live and train together under a shisho oyakata (stable master)

container, vessel / a tool, a utensil / one's degree of ability: talent, calibre / female genitalia: a vagina

use one thing for many purposes / work someone hard

to use one's head