# HANDLING OF MATERIALS
> MSHA accident `220030900054` · 03/26/2003 · Unimin Corporation
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** —
- **Mine experience:** 26.21 years
## Operator
- **Controller:** S C R-Sibelco Nv
- **Operator:** Unimin Corporation
- **Mine:** [3101416](https://api.ai-analytics.org/mine/3101416)
## Narrative

THE EE WAS WORKING ON HAUL TRUCK REPLACING A BRAKE CALIBER WHEN HE TWISTED HIS KNEE.

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