Safety
Safety is the condition of being protected against failure, breakage or accidents. Protection involves here both causing and exposure.
In American football, a safety is the act by which one team gains two points when an opponent possessing the ball is tackled in his own end zone, or runs out of bounds in his own end zone. Additionally, safety refers to two positions in the traditional defensive backfield setup, the strong safety and the free safety.
In Firearms a safety (or safety catch) is a device which inactivates the trigger, making the firearm safe to handle.
See also
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