# HANDLING OF MATERIALS
> MSHA accident `220133390023` · 11/29/2013 · CARBO Ceramics Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 12.15 years
## Operator
- **Controller:** Gary A  Kolstad
- **Operator:** CARBO Ceramics Inc
- **Mine:** [0102687](https://api.ai-analytics.org/mine/0102687)
## Narrative

Employee twisted his left knee when he was helping to change a screen.  Experienced pain and swelling in knee.  Dx:  left knee strain.

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