# MACHINERY
> MSHA accident `220201360008` · 05/05/2020 · River Cement Company dba Buzzi Unicem USA
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between running or meshing objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 43
- **Mine experience:** 10.08 years
## Operator
- **Controller:** Buzzi S p A
- **Operator:** River Cement Company dba Buzzi Unicem USA
- **Mine:** [2300188](https://api.ai-analytics.org/mine/2300188)
## Narrative

Employee and partner were given the job of drilling 4 3-inch holes in the side of a dust collector's emission stack. Employee used a power drill with a 3-inch circular saw to drill the holes. While drilling the 3rd hole, the saw bound up causing the power drill to quickly twist R hand/wrist resulting in a displaced fracture of the 4th metacarpal bone.

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