# HANDLING OF MATERIALS
> MSHA accident `220190560017` · 02/18/2019 · Knight Hawk Coal, LLC
## Details
- **Degree of injury:** ALL OTHER CASES (INCL 1ST AID)
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** BELT CONVEYORS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** CHEST (RIBS/BREAST BONE/CHEST ORGNS)
- **Days lost:** 0
- **Mine experience:** 11 years
## Operator
- **Controller:** Arch Coal Inc.; Franklin D.  Robertson; James O.  Bunn
- **Operator:** Knight Hawk Coal, LLC
- **Mine:** [1103147](https://api.ai-analytics.org/mine/1103147)
## Narrative

Employee was lifting a roller onto the belt structure and felt something pop on left side. EE has a cracked rib.

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