Most belay accidents are caused through failure of the belayer.
大多数固定保护绳事故都是由于保护者的失误造成的。
Many belay devices aid the belayer in protecting the climber above or below.
有的固定保护绳装置协助保护者保护上面或下面的攀岩者。
The belayer places himself so as to minimize any adverse action upon the body, and generally faces the wall.
保护者将自己固定，以减少身体的反作用，而且通常情况下要面对岩壁。
If the lead climber were injured in a fall from any higher up, the belayer could not get him down.
VOA: special.2009.12.09
The belayer then gives more rope up to the lead climber as he moves up the rock.
VOA: special.2009.12.09
If he falls, he is protected by the rope connected to the devices and the belayer.
VOA: special.2009.12.09
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