# HANDTOOLS (NONPOWERED)
> MSHA accident `220072000036` · 07/16/2007 · Unimin Specialty Minerals, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Struck by flying object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** CHEST (RIBS/BREAST BONE/CHEST ORGNS)
- **Days lost:** 0
- **Mine experience:** 2.98 years
## Operator
- **Controller:** S C R-Sibelco Nv
- **Operator:** Unimin Specialty Minerals, Inc.
- **Mine:** [1102051](https://api.ai-analytics.org/mine/1102051)
## Narrative

Employee was performing a routine maintenance task of changing the shaft bearings on a dust collector. Employee was tapping the bearing to lossen it from the mounting shaft when the bearing race splintered and a small fragment of bearing steel struck him in the chest.

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