safety(redirected from restraint safety)
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a. either of two players who defend the area furthest back in the field
b. a play in which the offensive team causes the ball to cross its own goal line and then grounds the ball behind that line, scoring two points for the opposing team
Methods and techniques of avoiding accident or disease.
A locking or cut-off device that prevents a weapon or missile from being fired accidentally.
elevator car safety, counterweight safety
A mechanical device attached to an elevator car frame or to the frame of the counterweight; slows down, stops, and holds the car or counterweight in the event of excessive speed or free fall of the car, or if the wire ropes slacken, break, or pull out of their fastenings.