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.
Clinicals are the nursing equivalent of internships and residencies for doctors. Nursing students put the knowledge they gain to work in clinicals. Nursing students may be taught various methods of determining a patient's pulse during clinicals.