دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: see emergency escape unit.

n: a self-contained breathing apparatus that is used only for escape to a safe area. This self-contained breathing apparatus, when properly serviced, furnishes a 5- to 15-minute supply of breathing air. Emergency escape units may have masks or hoods. Also called egress unit. Compare work unit.

n: a larger type of self-contained breathing gear that provides from 30 to 60 minutes of air. This apparatus differs from the emergency escape unit mainly in the size of the air bottle and, hence, in its capacity to store air. Compare emergency escape unit.