# MACHINERY
> MSHA accident `220083190019` · 11/11/2008 · Covia Holdings Corporaton
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Hand tools (powered)
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** CRUSHING
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 0.85 years
## Operator
- **Controller:** S C R-Sibelco Nv
- **Operator:** Covia Holdings Corporaton
- **Mine:** [4103929](https://api.ai-analytics.org/mine/4103929)
## Narrative

The employee was attempting to break a rock that was plugging the front of a feeder going into the primary crusher using a jackhammer. When the jackhammer broke through the rock, the operator lost control of the hammer causing the hammer to pinch his thumb between itself and the guardrail.

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