candle or lighter.
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Photoflash is used for illuminating terrain for night time.
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Photoflash
photoflash cartridge
Usually a flash powder device is ejected from the aircraft, whic, when ignited produces a brief but high light output. Flash powders are composed of oxidizers and metalic fuels.
1
Illuminating the contents of the fridge.
1
mostly 3 must be on board
1
A minimum of 3