Which condition necessitates retirement of a steel carabiner?

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Multiple Choice

Which condition necessitates retirement of a steel carabiner?

Explanation:
Damage indicators like scoring or chemical exposure can compromise steel carabiners. Scoring creates micro-cracks that act as stress risers, which can propagate under load and lead to sudden failure. Chemical exposure can cause corrosion or pitting, thinning the material and weakening its overall strength. Because these issues can hide within the steel and reduce safety, retirement is required when a steel carabiner shows scoring or has been exposed to chemicals. Dropping can cause surface dents, but it isn’t the retirement trigger emphasized for steel in this guidance, and never retiring is not acceptable.

Damage indicators like scoring or chemical exposure can compromise steel carabiners. Scoring creates micro-cracks that act as stress risers, which can propagate under load and lead to sudden failure. Chemical exposure can cause corrosion or pitting, thinning the material and weakening its overall strength. Because these issues can hide within the steel and reduce safety, retirement is required when a steel carabiner shows scoring or has been exposed to chemicals. Dropping can cause surface dents, but it isn’t the retirement trigger emphasized for steel in this guidance, and never retiring is not acceptable.

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