# HANDLING OF MATERIALS
> MSHA accident `220041590097` · 05/28/2004 · O-N Minerals (Michigan) Company
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck against stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** MOUTH/LIP/TEETH/TONGUE/THROAT/TASTE
- **Days lost:** 0
- **Mine experience:** 3.65 years
## Operator
- **Controller:** Oglebay Norton Company
- **Operator:** O-N Minerals (Michigan) Company
- **Mine:** [2000062](https://api.ai-analytics.org/mine/2000062)
## Narrative

THE MECHANIC HAD TO TIGHTEN BOLTS BETWEEN THE TRACK AND SIDE FRAME ON THE #541 DOZER. AS HE REACHED TOWARD THE BOLTS, HE STRUCK AND CHIPPED A TOOTH.

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