herald (plural heralds) 1  A messenger, especially one bringing important news. 2  A harbinger, giving signs of things to come. ( 3 heraldry) An official whose speciality is heraldry, especially one between the ranks of pursuivant and king-of-arms. ( entomology) A moth of the species Scoliopteryx libatrix.
a fire nozzle weighs approximately  ten to fifteen pounds.
How much does a fire suppression system cost. 1  Type of gas used. 2  Type of detection used. 3  Size of the enclosure.  Number of voids within the enclosure, .e. Ceiling and floor 1  voids. Where about in the building will the system be installed.  Cooling systems used that will affect the 1  system. The integrity of the room, i.e. wall strength  etc.