A crew had spent the night shift drilling in preparation for blasting rock in a mine. They set off the blast, but heard only about half of the expected shots. They went to work on mucking on the rock face, using heavy equipment at first and then working by hand to uncover the misfired holes. An unexploded charge blew up, killing one worker and injuring three others. Investigators concluded the scooptram must have relit the tape fuse in one of the misfire holes. While technology is changing to make blasting safer, work with explosives is one of the riskiest jobs for […]

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