Denzel Washington on screen and stage. Denzel Washington is an American actor who made his feature film debut in Carbon Copy (1981).[1] In 1982, Washington made his first appearance in the medical drama St. Elsewhere as Dr. Philip Chandler.
Report Abuse. Sprinklers do not detect smoke. Some operate by a fuse that melts, from the heat of a fire, to release water, others operate by a sudden drop in water or air pressure in the pipe which is controlled by a alarm system, when activated.
Application Dampers. The primary purpose of duct smoke detection is to prevent. injury, panic, and property damage by reducing the spread. (recirculation) of smoke. The detector samples air currents. passing through a duct and gives dependable performance. for management of smoke and combination fire smoke. dampers.