# MACHINERY
> MSHA accident `220131490031` · 05/22/2013 · RoxCoal, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between running or meshing objects
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** ROOF (ROCK) BOLTS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** WRIST
- **Days lost:** 0
- **Mine experience:** 0.54 years
## Operator
- **Controller:** Severstal Resources
- **Operator:** RoxCoal, Inc.
- **Mine:** [3608746](https://api.ai-analytics.org/mine/3608746)
## Narrative

The man was inserting a roof bolt in the roof. The bolt was bent to be able to insert into the roof. While pushing on the bolt to straighten it, the bolt spun around causing the man's wrist to twist.

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