# HANDLING OF MATERIALS
> MSHA accident `220080930034` · 01/20/2007 · Twin Star Mining, Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck by flying object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** MULTIPLE INJURIES
- **Body part:** MOUTH/LIP/TEETH/TONGUE/THROAT/TASTE
- **Days lost:** 3
- **Mine experience:** — years
## Operator
- **Controller:** Alpha Natural Resources, Inc.
- **Operator:** Twin Star Mining, Inc.
- **Mine:** [4403929](https://api.ai-analytics.org/mine/4403929)
## Narrative

Mechanic was working under piece of equipment when another mechanic tossed him a bolt that ricocheted and hit him in the mouth, knocking several teeth loose, breaking one tooth and causing damage to his lip and outer mouth.

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