# HANDLING OF MATERIALS
> MSHA accident `220060120013` · 01/03/2006 · Martin Marietta North Texas Cement, LLC
## 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:** Getting on or off equipment
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 33.77 years
## Operator
- **Controller:** Texas Industries Inc
- **Operator:** Martin Marietta North Texas Cement, LLC
- **Mine:** [4100071](https://api.ai-analytics.org/mine/4100071)
## Narrative

Employee was stepping up the ladder to get into the loader and he twisted his right knee, which caused him severe pain.

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