Hand flares are pyrotechnic devices used for signaling or illumination in emergency situations, typically at sea. They produce a bright flame and smoke when ignited, making them visible from a distance. Hand flares are an important tool for communication and rescue operations in maritime environments.
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There are several different types of signal flares that can be used at sea.Smoke flares are hand-held flares. Once lighted, they give off white or orange smoke.Aerial flares are small flares that you launch into the sky.A flare gun holds red or white flares that you shoot up into the sky. These flares are quite visible at night.Parachute flares are flares that you fire into the sky, and they slowly descend. These flares have great visibility and a long burn time.very light
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display only when immediate or potential danger exists
Display only when immediate or potential danger exists
Display only when immediate or potential danger exists
I do see flares in my eyes. I often will see flares after bending over.