# MACHINERY
> MSHA accident `220061710023` · 06/15/2006 · Martin Marietta Materials
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Machine maintenance
- **Injury source:** WRENCH
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** MOUTH/LIP/TEETH/TONGUE/THROAT/TASTE
- **Days lost:** 0
- **Mine experience:** 0.92 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials
- **Mine:** [0404847](https://api.ai-analytics.org/mine/0404847)
## Narrative

replacing a tension rod on jaw crusher.  He was on the under belt with restricted mobility. While tightening the bolt with an impact wrench and backing up the nut with a box end wrench, his hand slipped off back up wrench.  The impact was still engaged and spun the box end wrench striking him just below the lower lip.

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