# HANDLING OF MATERIALS
> MSHA accident `220240820017` · 03/20/2024 · United States Steel Corp-Minnesota Ore Operations
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** BELT CONVEYORS
- **Nature of injury:** CRUSHING
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 1.77 years
## Operator
- **Controller:** USX Corp (United States Steel Corp)
- **Operator:** United States Steel Corp-Minnesota Ore Operations
- **Mine:** [2100820](https://api.ai-analytics.org/mine/2100820)
## Narrative

The injured employee and a partner were assigned to change out a troughing roller on the 045 belt. The injured employee was changing out a wing can on a troughing roller and putting in a new wing can. During this process, the wing can dislodged after being stuck, and smashed the tip of the employee's middle right finger.

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