# MACHINERY
> MSHA accident `220041760041` · 06/12/2004 · Columbia Rock & Aggregates Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Grinding
- **Injury source:** ABRAS STONE,WHEEL GRINDER
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** KNEE/PATELLA
- **Days lost:** 1
- **Mine experience:** 0.92 years
## Operator
- **Controller:** Ronald M  Wamberg
- **Operator:** Columbia Rock & Aggregates Inc
- **Mine:** [4501153](https://api.ai-analytics.org/mine/4501153)
## Narrative

EMPLOYEE WAS USING AN ELECTRIC HAND GRINDER ON A LOADER BUCKET. IN THE PROCESS OF GRINDING, THE GRINDER BLADE KICKED BACK ON HIM AND STRUCK HIS LEFT KNEE. THE RESULTING LACERATION WAS WASHED OUT AND STITCHED AT AN EMERGENCY CLINIC.

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