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.
Sprinklers, on the other hand, work fast to reduce heat, flames, and smoke from a fire, reducing the risk of dying by as much as 80 percent. Still, fire sprinklers have many opponents. Most cite the NFPA statistic that fire alarms are 99.45% effective in reducing deaths from fire.