Water Curtain 1
Water Curtain 1 : (1) (Techn) A flow of water running down a wall into which excess paint from spray painting is drawn or blown by fans so as to carry the paint downward to a collecting point. Note: An enclosure containing a water curtain is called a waterfall booth. (2) (Fire Pr) a. A screen of water thrown between a fire and an exposed surface to prevent it from igniting. b. A row of outside sprinklers provided to protect a building from exposure fires