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4

A few points that haven't been added here yet: A common cause of rope failure that I've read about has come from accidental chemical contamination. For example one unlucky climber left their rope in their car trunk and small amounts of battery acid got on the rope and damaged it. Check the sheath for any evidence of chemical contamination (corrosion, oil, ...


3

Are climbing harnesses tested for upside down falls? ... No. Harness have forces gradually applied to them of up to 15kn while attached to a dummy, the dummy is oriented in the head up position and the force is applied as if a person was hanging from the belay loop. Alternatively the harness belt is placed around a cylinder and forces are gradually applied ...



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