# MACHINERY
> MSHA accident `220053060022` · 10/10/2005 · Martin Marietta Materials Inc
## Details
- **Degree of injury:** ALL OTHER CASES (INCL 1ST AID)
- **Classification:** MACHINERY
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Utility man, Errand boy, Service truck operator
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 1 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials Inc
- **Mine:** [1202176](https://api.ai-analytics.org/mine/1202176)
## Narrative

Employee was installing Roof Bolts when he strained his back pulling on the spinner.

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