1 Impeller humidifiers produce a cool mist with a rotating disk. 2  Evaporators use a fan to blow air through a wet wick, filter or belt. 3  Steam vaporizers use electricity to create steam that cools before leaving the machine.
Executive sponsor. Executive sponsor (sometimes called project sponsor or senior responsible owner) is a role in project management, usually the senior member of the project board and often the chair. The project sponsor will be a senior executive in a corporation (often at or just below board level) who is responsible to the business for the success of the project.
Sponsor and sponsor-investigator are defined at 21 CFR 312.3(a): Sponsor means a person who takes responsibility for and initiates a clinical investigation. The sponsor may be an individual or pharmaceutical company, governmental agency, academic institution, private organization, or other organization.