# MACHINERY
> MSHA accident `220243030002` · 10/23/2024 · Shelly Materials Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Miner, Prospector, NEC
- **Activity:** Hand tools (powered)
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 18
- **Mine experience:** 0.19 years
## Operator
- **Controller:** CRH PLC
- **Operator:** Shelly Materials Inc
- **Mine:** [3300097](https://api.ai-analytics.org/mine/3300097)
## Narrative

Employee was operating a jack leg installing bolts into the face of the high wall.  The employee was installing the bolt at a downward angle. The socket slipped off the head of the bolt causing the jack leg to rotate forward and mash the operators hand between the machines handle and the highwall face.  

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