# HANDLING OF MATERIALS
> MSHA accident `220162070021` · 07/18/2016 · Heidelberg Materials Midwest Agg, Inc.
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Driller operator
- **Activity:** Machine maintenance
- **Injury source:** DRILL STEEL (ALL SIZES)
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 14.31 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials Midwest Agg, Inc.
- **Mine:** [1500043](https://api.ai-analytics.org/mine/1500043)
## Narrative

While the employee was replacing drill steel in drill rig, felt pain in left knee.  Conditions were clean and free from debris at the time and location of the incident.

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