# MACHINERY
> MSHA accident `220191990013` · 06/21/2019 · Superior Ready Mix Concrete L P
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion in wielding or throwing 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:** SPRAIN,STRAIN RUPT DISC
- **Body part:** WRIST
- **Days lost:** 21
- **Mine experience:** 0.71 years
## Operator
- **Controller:** J Brouwer Investments Inc
- **Operator:** Superior Ready Mix Concrete L P
- **Mine:** [0400089](https://api.ai-analytics.org/mine/0400089)
## Narrative

Employee was drilling a hole in conveyor belts to be used on a screen. The drill bit bound up while drilling and caused the drill to twist suddenly injuring the employee's wrist.  Employee did not report the injury until 07/16/2019.

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