fire-control apparatus

individual control (of fire) / individual fire control

fire-control director / fire control director

fire control orders (FCO) ('Hold Fire', 'Cease Fire' and 'Engage')

slant fire; diagonal fire; oblique fire; fire to the oblique

portable decontaminating apparatus

scuba (Self-Contained Underwater Breathing Apparatus)

self-contained breathing apparatus (SCBA)

acoustic detecting apparatus

boresight apparatus

undercover apparatus

undercover international apparatus

hose breathing apparatus

intelligence apparatus

time-interval apparatus

fresh-air hose breathing apparatus

oxygen-breathing apparatus

water-recovery apparatus

autonomous breathing apparatus

dew-point apparatus

simplified electronic tracking apparatus

fog-dispersal apparatus

self-contained open-circuit breathing apparatus

address apparatus

wet sand-blasting apparatus

line testing apparatus

smoke apparatus

smoke-laying apparatus

smoke-screening apparatus

spray apparatus

range finding apparatus

motorized dry agent decontamination apparatus, bleach spreader

chemical spray apparatus