Frank B. Gilbreth, Fatigue Study: The Elimination of Humanity's Greatest Unnecessary Waste (1916)
“ When each worker in the establishment knows that in case of a fire he can leave the building with speed and perfect safety, he has absolutely no worry or distraction from the fire standpoint.Fire protection should include not only seeing that the building and all it contains are made as fire-proof as possible, and installing all possible devices for putting out a fire should one start, but also the fire drill. ”
