# SLIP OR FALL OF PERSON
> MSHA accident `220093290002` · 11/17/2009 · St. Marys Cement U.S. LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Struck by... NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Walking, Running
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 9.38 years
## Operator
- **Controller:** VOTORANTIM CIMENTOS
- **Operator:** St. Marys Cement U.S. LLC
- **Mine:** [2000038](https://api.ai-analytics.org/mine/2000038)
## Narrative

Employee inside ball mill, turned to leave, ball rolled under his foot and twisted right knee.

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