ARCCA was involved in a case where an operator was running a conveyor carrying boxes when one of the packages became stuck. He reached to dislodge the package and the conveyor caught his sleeve, pulled his arm in and severed it. An ARCCA engineer inspected the conveyor system and found no guard was present. He also determined that a guard would not have affected the conveyor or operator performance, but would have prevented him from inserting his hand.

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