# HANDLING OF MATERIALS
> MSHA accident `220071910024` · 06/28/2007 · Secon
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Handling coal, Rock, Ore
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.48 years
## Operator
- **Controller:** Colas S A
- **Operator:** Secon
- **Mine:** [5000244](https://api.ai-analytics.org/mine/5000244)
## Narrative

The employee was cleaning up the deck of the cone on the crusher when his right knee popped out while he was kicking some rocks free; locking it in position.

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