# MACHINERY
> MSHA accident `220061730003` · 06/17/2006 · Florida Rock Industries Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** WRIST
- **Days lost:** 0
- **Mine experience:** 2 years
## Operator
- **Controller:** Florida Rock Industries Inc
- **Operator:** Florida Rock Industries Inc
- **Mine:** [4402993](https://api.ai-analytics.org/mine/4402993)
## Narrative

Using heavy duty single speed drill bit to redrill bolt holes in 988F lift arm, drill bit grabbed and jerked drill motor out of the employee's hand, causing strains to both wrists.

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