# MACHINERY
> MSHA accident `220063030083` · 10/13/2006 · Vision Mining, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Drilling
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.81 years
## Operator
- **Controller:** Chester M  Thomas
- **Operator:** Vision Mining, Inc.
- **Mine:** [1517044](https://api.ai-analytics.org/mine/1517044)
## Narrative

Employee was drilling hole in mine roof to install roof bolt. Lowered roof bolting machine boom temporarily catching left knee under it, resulting in a strain to knee area.

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