time-interval apparatus

time interval

mean and sidereal time interval

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

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

fire-control apparatus

spray apparatus

range finding apparatus

motorized dry agent decontamination apparatus, bleach spreader

chemical spray apparatus

contour interval

interval