Projection 1 : (1) Effective range of an extinguisher, and the mode of ejection, i. e. as mist, spray, or jet. (2) Way of showing a round (or other solid shape) on a flat surface, e. g. a shadow
H. J. Porter (Chairman - Technical Committee), Dictionary of Fire Technology, The Institution of Fire Engineers, The Victory Press (Leicester) Ltd. 1979 UK. (Fr Tech - Brit) {81}
