# HANDLING OF MATERIALS
> MSHA accident `220102370032` · 08/13/2010 · Arcosa Aggregates, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Welder (shop)
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 1 years
## Operator
- **Controller:** Trinity Industries Inc
- **Operator:** Arcosa Aggregates, Inc.
- **Mine:** [4104553](https://api.ai-analytics.org/mine/4104553)
## Narrative

Employee hurt left knee while placing Boring Bar into hole on an Excavator.

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