# HANDLING OF MATERIALS
> MSHA accident `220192210021` · 07/31/2019 · Heidelberg Materials US Cement LLC
## 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:** Getting on or off equipment
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 22.23 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials US Cement LLC
- **Mine:** [3600185](https://api.ai-analytics.org/mine/3600185)
## Narrative

The employee was stepping up from a walkway onto the top of a working surface (the top of a separator). When EE went to push off with left leg EE's knee gave out.

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