# HANDLING OF MATERIALS
> MSHA accident `220050210069` · 12/21/2004 · Teichert Aggregates
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Handling coal, Rock, Ore
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 7.5 years
## Operator
- **Controller:** Teichert Inc
- **Operator:** Teichert Aggregates
- **Mine:** [0401680](https://api.ai-analytics.org/mine/0401680)
## Narrative

He strained his lower back while attempting to remove a large cobble from the 5 1/2' standard crusher. It was an aggravation of an old injury that he sustained prior to his employment with Teichert.

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