# MACHINERY
> MSHA accident `220102070009` · 05/02/2010 · United States Steel Corp-Minnesota Ore Operations
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Miner, Prospector, NEC
- **Activity:** Machine maintenance
- **Injury source:** MACHINE,NEC-WELDR,OFC MAC
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** MOUTH/LIP/TEETH/TONGUE/THROAT/TASTE
- **Days lost:** 0
- **Mine experience:** 15.08 years
## Operator
- **Controller:** USX Corp (United States Steel Corp)
- **Operator:** United States Steel Corp-Minnesota Ore Operations
- **Mine:** [2100819](https://api.ai-analytics.org/mine/2100819)
## Narrative

Employee was opertating a hand held grinder when the grinder kicked back, hitting him in the chin with its handle. This caused his mouth to close quickly, chipping an upper front tooth. Employee received a crown on 7/21/10.

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