# HANDLING OF MATERIALS
> MSHA accident `220123520033` · 12/12/2012 · Eastern Colorado Aggregates
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 3
- **Mine experience:** 5.31 years
## Operator
- **Controller:** James H  Kirkland
- **Operator:** Eastern Colorado Aggregates
- **Mine:** [0504537](https://api.ai-analytics.org/mine/0504537)
## Narrative

Employee was changing screens.  He strained his lower back while removing the screens.

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