Kelowna crane collapse explained
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3 سال پیش
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Entirely preventable deaths. It's my
Entirely preventable deaths. It's my opinion that the crane was allowed to operated unbalanced during climbing/disassembly. We don't know why it was unbalanced, but there are some clues.
3 سال پیش
در تاریخ 1400/04/22 منتشر شده
است.
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