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.
How Fire Sprinkler Systems Work. Fire sprinkler systems are triggered by extreme heat and can quickly extinguish a fire in the room where it started. You've probably seen a number of movies where a small amount of smoke triggers all of the sprinklers in a building, soaking everyone and everything inside.