Loaded Stream Extinguisher : An extinguisher charged with water and an alkali-metal-salt mixture; it does not freeze the way that ordinary water extinguishers do
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}