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Be in distress. The second thing you should do is to be sure nothing flammable will be set afire by them.
You should always read a flare's manufacturer's instructions before using the flare for the first time. This will ensure proper usage and handling of the flare in case of emergency.
A red flare/smoke
No
why applay refrigerant oil to the flare cone before making a flare
Many types of signal exists.
Proper procedure for using hand held visual distress signal flare
flares orange tarp dye flare gun parachute flare radio distress button epirb
That's the technical description for a signal flare !
They have an expiration date
hand held red flare
Waving your hands not as a fist