In this image, the ladder is secured with a ridge bracket. Notice the contractor is tied off with mountain climbing ropes and a harness so that he can work on a steep metal roof safely. The ladder is there to assist him in climbing up and down the metal roof.
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Notice the safety glasses, harness, and safety rope for fall protection.
You'll notice the ladder is also tied off at the top. The contractor is installing a
pigeon leveling platform to set up pigeon traps.
