# MACHINERY
> MSHA accident `220040990005` · 03/02/2004 · Wright Materials Inc
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 0
- **Mine experience:** 12 years
## Operator
- **Controller:** Ruth G  Wright
- **Operator:** Wright Materials Inc
- **Mine:** [4101499](https://api.ai-analytics.org/mine/4101499)
## Narrative

removing large nut with a 1"" impact wrench, the torque of the impact wrench twisted hand into gear tooth.

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