# MACHINERY
> MSHA accident `220051920055` · 07/05/2005 · Knife River - South Dakota
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Outside foreman, Leadman
- **Activity:** Hand tools (powered)
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 15 years
## Operator
- **Controller:** Gerald P  Sweetman
- **Operator:** Knife River - South Dakota
- **Mine:** [3900292](https://api.ai-analytics.org/mine/3900292)
## Narrative

Employee was removing the cutting edge bolts with an air wrench. One of the bolts dropped out of the sq. slot. He pushed the bolt back up into the sq slot-when he used the air wrench to remove the nut & bolt, nut & air wrench dropped. The head of the bolt dropped down out of the sq slot and cut through his glove and cut tip of left index finger.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*