# HANDTOOLS (NONPOWERED)
> MSHA accident `220102600041` · 09/13/2010 · Unimin Specialty Minerals Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in wielding or throwing objects
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Hand tools (not powered)
- **Injury source:** AXE,HAMMER,SLEDGE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** UPPER EXTREMITIES, MULTIPLE
- **Days lost:** 0
- **Mine experience:** 12.92 years
## Operator
- **Controller:** S C R-Sibelco Nv
- **Operator:** Unimin Specialty Minerals Inc
- **Mine:** [1101981](https://api.ai-analytics.org/mine/1101981)
## Narrative

The employee was trying to unplug a pipe by striking it with a sledgehammer. When he hit the pipe the hammer twisted causing injury to the employee's right wrist and elbow.

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