# MACHINERY
> MSHA accident `220172920021` · 10/13/2017 · Amrize Cement Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Hand tools (powered)
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** WRIST
- **Days lost:** 0
- **Mine experience:** 0.79 years
## Operator
- **Controller:** Holcim Ltd
- **Operator:** Amrize Cement Inc
- **Mine:** [4200013](https://api.ai-analytics.org/mine/4200013)
## Narrative

Employee was jackhammering material through a poke hole on the tertiary elbow pipe. A chunk of material came loose and fell on the bit of the jackhammer forcing the hammering up, pinning employee's hand against the top of the door causing a fracture of the navicular bone of the left wrist.

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