# MACHINERY
> MSHA accident `220082260008` · 06/28/2008 · Martin Marietta Materials, Inc.
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Drill operator
- **Activity:** Surface equipment, NEC
- **Injury source:** WRENCH
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** HEAD,NEC
- **Days lost:** 0
- **Mine experience:** 0.04 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [0900065](https://api.ai-analytics.org/mine/0900065)
## Narrative

Driller mistakenly rotated the head while a 36"" pipe wrench was attached to the casing. The wrench swung around and hit the helper, knocking him to the floor, then hit the driller.

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