# MACHINERY
> MSHA accident `220112410014` · 08/23/2011 · Martin Marietta Materials, Inc.
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between NEC
- **Occupation:** Ledgeman/hand, Quarry man
- **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:** 2.98 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [0301586](https://api.ai-analytics.org/mine/0301586)
## Narrative

Employee was using a 1/2"" drive air impact wrench with a swivel socket extension to loosen bolts on a wash screen to change screen cloth. Employee failed to wear provided gloves and grabbed the swivel with his right hand and twisted it while applying air to the impact gun. The swivel caused a 3 cm laceration requiring 9 stitches to close

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