# HANDLING OF MATERIALS
> MSHA accident `220062400051` · 08/19/2006 · Apac-Missouri Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck by... NEC
- **Occupation:** Superintendent
- **Activity:** Machine maintenance
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** OTHER INJURY,NEC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.31 years
## Operator
- **Controller:** Ashland Inc
- **Operator:** Apac-Missouri Inc
- **Mine:** [2302138](https://api.ai-analytics.org/mine/2302138)
## Narrative

EE & co-worker were changing hammers on impactor. They'd finished 1 set & were rolling impactor to do other set. Co-worker rolled impactor around,   wheel started to free wheel to its heavy side, co-worker lost his balance & fell on wheel. EE reached in & pulled him back to keep him from falling. As EE was holding co-worker, impactor stopped & spun the other way catching EE's knee.

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