Question

what is a personal fall - arrest system? a full - body harness system employees wear and anchor to a point on the roof guardrails around the perimeter of a roof a belt a worker wears around his or her waist to keep him or her from reaching the edge of a roof a person who watches all roofing workers to grab them if they start to fall

Explanation:

A personal fall - arrest system is a safety device. It typically consists of a full - body harness that employees wear and anchor to a secure point (like on a roof) to prevent falls. Guardrails are a different type of fall prevention measure. A waist - belt alone is not a complete fall - arrest system. And a person watching workers is not a fall - arrest system.

Answer:

A. A full - body harness system employees wear and anchor to a point on the roof