попереджувальний сигнал
caution and advisory panel / emergency warning signal unit
emergency warning signal unit / caution and advisory panel
caution plate
caution annunciator
caution indication
vibration caution annunciator
vibration caution light
caution light
caution area
caution crossing
caution
Caution!
Signal Kit / MK-79 (illumination signal kit)
acknowledgement signal
arm-and-hand signal
audio signal
combined signal
command and signal
command signal center
control signal
distress signal (=SOS)
echo (returned signal)
field army signal brigade
flash a signal
forward area signal center
hand signal
hoisting signal flags
jamming signal
main signal center
prearranged signal
pyrotechnic signal
radio alarm signal