# MACHINERY
> MSHA accident `220172420032` · 08/23/2017 · Buzzi Unicem USA
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Plumber, Pipefitter, Millwright
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 75
- **Mine experience:** 3 years
## Operator
- **Controller:** Buzzi S p A
- **Operator:** Buzzi Unicem USA
- **Mine:** [2300134](https://api.ai-analytics.org/mine/2300134)
## Narrative

Employee was drilling holes in screw conveyor covers overhead when the drill bit caught and twisted right arm.

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