Dual Purpose : Fire fighting equipment designed to perform at least two functions, e. g. , a proportioner that can be used for either foam or wetting agents See also: Pump Escape
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}