# MACHINERY
> MSHA accident `220152440039` · 08/21/2015 · Aggregates USA LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (powered)
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** MOUTH/LIP/TEETH/TONGUE/THROAT/TASTE
- **Days lost:** 0
- **Mine experience:** 0.04 years
## Operator
- **Controller:** Aggregates USA Holdings LLC
- **Operator:** Aggregates USA LLC
- **Mine:** [4001610](https://api.ai-analytics.org/mine/4001610)
## Narrative

Employee was using an impact wrench to tighten a bolt overhead on the screen.  As the employee removed the impact wrench from the bolt, the socket came loose from the wrench and the socket struck the employee in the mouth.  This resulted in one tooth being knocked out and injuries to two other teeth requiring dental procedure.

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