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.
How to find a hospital. A hospital is a healthcare facility that treats patients with the aid of specialized staff and equipment. Hospitals are capable of dealing with many types of disease and injury, and most typically have an emergency department (ER) for patients with immediate and urgent threats to health.