| 摘要 |
A clearance indicator to protect a person using a lanyard comprises a measuring mechanism to measure the distance from an anchor point to a point at least a clearance distance from the anchor point, thereby providing an indication of whether the clearance required in the case of a fall is satisfied. A fall protection system comprises a lanyard including an attachment mechanism for attachment of a first end of the lanyard to an anchor point and the clearance indicator. A method of protecting a person using a lanyard while working at a height from a fall comprises the step of measuring the distance from an anchor point to at least a clearance distance from the anchor point to ensure than no obstacles will interrupt the person's fall.
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