# MACHINERY
> MSHA accident `220123390018` · 11/28/2012 · Martin Marietta North Texas Cement, LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Hand tools (powered)
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ELBOW
- **Days lost:** 0
- **Mine experience:** 9.15 years
## Operator
- **Controller:** Texas Industries Inc
- **Operator:** Martin Marietta North Texas Cement, LLC
- **Mine:** [4100071](https://api.ai-analytics.org/mine/4100071)
## Narrative

Employee was cleaning chunks off of grizzly bars in the clinker cooler with a jack hammer bit when he felt a sharp pain in his right elbow.

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