# HANDLING OF MATERIALS
> MSHA accident `220250450014` · 02/06/2025 · 3M Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Electrician, Lineman
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 0
- **Mine experience:** 1.08 years
## Operator
- **Controller:** Minnesota Mining & Manufacturing Company
- **Operator:** 3M Company
- **Mine:** [0400191](https://api.morvs.ai/mine/0400191)
## Narrative

While unscrewing a bin-level probe by hand (without using a tool) for maintenance/troubleshooting, the employee felt pain in their right hand. The probe was threaded tightly and the employee applied force as it was not budging. It gave way quickly, resulting in the injury (sprain).

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