# MACHINERY
> MSHA accident `220151310019` · 05/07/2015 · O-N Minerals (Michigan) Company
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor
- **Activity:** Hand tools (powered)
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** UPPER ARM/HUMERUS
- **Days lost:** 0
- **Mine experience:** 16.06 years
## Operator
- **Controller:** Carmeuse Holding SA
- **Operator:** O-N Minerals (Michigan) Company
- **Mine:** [2000061](https://api.ai-analytics.org/mine/2000061)
## Narrative

Using an air chisel to remove broken bolts.  Chisel became stuck.  Used another chisel to remove stuck chisel.   Piece of metal struck arm resulting in medical treatment.

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