сповіщення про хімічний напад
gas alarm
gas warning sign
gas warning
gas gun; (tear) gas launcher
alarm button
alarm placement
alarm system
alarm unit
audible alarm
automatic chemical agent alarm
Doppler effect alarm
radio alarm signal
WMD alarm (weapon of mass destruction)
air raid siren / alarm
fire extinguishing system sprinkler system and fire alarm system
antitank alarm
assembly formation after an alarm
fire alarm bell
fire alarm light
overflow alarm
visual alarm
circuit alarm
automatic-alarm receiver
emergency alarm system
failure alarm
false alarm
fire alarm
fire alarm system
flag alarm
general alarm system
heat alarm
hijack alarm