# HANDLING OF MATERIALS
> MSHA accident `220252460029` · 08/18/2025 · Knife River - South Dakota
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** WRIST
- **Days lost:** 0
- **Mine experience:** 10.19 years
## Operator
- **Controller:** Knife River Corporation
- **Operator:** Knife River - South Dakota
- **Mine:** [3900008](https://api.ai-analytics.org/mine/3900008)
## Narrative

Team members replacing return roller, shaft began to slip, team member grabbed the shaft, causing pain to the right wrist.

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