# MACHINERY
> MSHA accident `220181270022` · 05/01/2018 · Oldcastle Materials Texas
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **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:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 0
- **Mine experience:** 13.44 years
## Operator
- **Controller:** CRH PLC
- **Operator:** Oldcastle Materials Texas
- **Mine:** [4104489](https://api.ai-analytics.org/mine/4104489)
## Narrative

In removing a drive belt guard a nut that was welded to the back plate had broken loose taking a piece of the back plate with it. When employee held a backup wrench on the nut and the impact was energized the wrench slipped out of employee's hand doing a 360 deg. turn slapping employee in the hand 

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