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They have an expiration date.
characteristics of pyrotechnic visual distress devices
Pyrotechnic visual distress devices are used to signal distress, usually at sea, or due to an accident in the mountains. Orange smoke flares during daylight, and bright white light flares during darkness.
Have an expiration date.
They have an expiration date
They have an expiration date
That's the technical description for a signal flare !
They have an expiration date
Pyrotechnic visual distress devices have an expiration date.
They have an expiration date
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