# HANDLING OF MATERIALS
> MSHA accident `220121800040` · 06/24/2012 · Martin Marietta Kansas City, LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Ledgeman/hand, Quarry man
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 1.92 years
## Operator
- **Controller:** Martin Marietta Materials Inc; Hunt Midwest Enterprises
- **Operator:** Martin Marietta Kansas City, LLC
- **Mine:** [2302308](https://api.ai-analytics.org/mine/2302308)
## Narrative

EE injured his back while disengaging the implement release levers on the skid steer.

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