Mobility is restricted to the length of the lanyard and the position of the anchorage point. 活动范围受到系索长度和锚固点位置的限制。
It is important to ensure that the anchorage point can withstand the forces applied in a fall with an adequate safety factor. 保证锚固点能经得住坠落时施加的力并具有足够的安全系数,这一点是非常重要的。