# HANDLING OF MATERIALS
> MSHA accident `220072200058` · 08/06/2007 · Huachuca Concrete Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor
- **Activity:** Machine maintenance
- **Injury source:** BELT CONVEYORS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 18
- **Mine experience:** 0.69 years
## Operator
- **Controller:** Abelardo  De Anda
- **Operator:** Huachuca Concrete Inc
- **Mine:** [0202455](https://api.ai-analytics.org/mine/0202455)
## Narrative

Employee was lying on back under 1"" rock stacker at wash plant. While his feet were on the ground he pushed on conveyor and heard his knee pop.

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