When an engine is ignited, it produces thrust and boosts the rocket into the sky. After the propellant is used up, delay is activated, producing tracking smoke and allowing the rocket a brief coast.
infirmary (plural infirmaries) 1  A place where sick or injured people are cared for, especially a small hospital; sickhouse. 2  A clinic or dispensary within another institution.
institution. n. 1. the act of instituting. 2. an organization or establishment founded for a specific purpose, such as a hospital, church, company, or college. 3. the building where such an organization is situated.. a place for the care or confinement of people, as mental patients. 4. a well-established and structured pattern of behavior or of relationships that is accepted as a fundamental part of a culture: the institution of marriage.