Metal fatigue of a spacious ladder Broken step of a spacious ladder; top view of the eyes, clearly indicating the irregular shape of the holes and the rough internal surface; from the Report on an accident of a port worker with fatal outcome on board the ss Kilbergen dated 19 April 1947 Date: 19 April 1947 Keywords: industrial accidents, cast iron, ladders, metal fatigue

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Photo credit: © BNA Photographic / Alamy / Afripics
License: Licensed
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