# HANDLING OF MATERIALS
> MSHA accident `220012190091` · 07/17/2001 · Cadman (Rock) Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 1
- **Mine experience:** 2.23 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Cadman (Rock) Inc
- **Mine:** [4501999](https://api.ai-analytics.org/mine/4501999)
## Narrative

WHILE CHANGING OUT SCREENS EE LIFTED THE ONE END OF THE SCREEN AND THEN TURNED THE SCREEN SO HE COULD HOOK THE END OF THE SCREEN TO THE BOOM TRUCK HOOK TO RAISE IT OUT AND IN. HE TWISTED HIS R IGHT KNEE. NOTE: HE DID NOT SEE A PHYSICIAN FOR THIS UNTIL 7/26/01.

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