# HANDLING OF MATERIALS
> MSHA accident `220113190012` · 11/08/2011 · Specialty Minerals Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 120
- **Mine experience:** 35.58 years
## Operator
- **Controller:** Minerals Technologies Inc
- **Operator:** Specialty Minerals Inc
- **Mine:** [1900035](https://api.ai-analytics.org/mine/1900035)
## Narrative

Employee fractured left hand and bruised right hand while replacing gaskets on the secondary crusher. The bull gear hung up in the upper housing and came down unexpectedly as he was installing the retaining bolts pinching his hands between the lower shell housing and the retainer plate. Two by four blocks in place reduced the severity of the injury.

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