neon is used for warning signals
To notify eveyone on an airbase of a covert chemical and biological attack
standardized warning signals for CBRNE medium and high threat areas
standardized warning signals for CBRNE medium and high threat areas
there is lots of signals to many to tell
A deer uses his tail to send signals to the others in his herd. It is often used as a warning for danger.
Diaster warning, attack warning, and all clear.
disaster warning, attack warning, and all clearstandardized warning signals and actions for CONUS and U.S. Territoriesdisaster warning, attack warning, and all cleardisaster warning, attack warning, and all cleardisaster warning, attack warning, and all cleardisaster warning, attack warning, and all cleardisaster warning, attack warning, and all cleardisaster warning, attack warning, and all cleardisaster warning, attack warning, and all clear
standardized warning signals and actions for CONUS and U.S. territories
There are several way of getting across a warning signal. For example, hand signals, alarms, and code phrases are good means of low-key communication.
Some people who get migraine headaches have warning signals before the headaches begin, such as restlessness, tingling in an arm or leg, or seeing patterns of flashing lights.
sirens, base-wide announcements, colored flags, and hand signals
they are prepared by the warning signals that they get.