# HANDLING OF MATERIALS
> MSHA accident `220230820005` · 03/21/2023 · Black Hills Bentonite-A Limited Liability Co
## Details
- **Degree of injury:** DAYS AWAY FROM WORK 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:** STD G RAIL CR,MTR-SURF EQ
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 9
- **Mine experience:** 0.27 years
## Operator
- **Controller:** BHB Limited Partnership; A&M Products
- **Operator:** Black Hills Bentonite-A Limited Liability Co
- **Mine:** [4800987](https://api.morvs.ai/mine/4800987)
## Narrative

Employee was cleaning railcars, and when they mounted the stairs to climb onto the car, they felt a pop in their left knee and could not put any weight on it.

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