# MACHINERY
> MSHA accident `220073540008` · 12/13/2007 · Resolution Copper Mining LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Fall onto or against objects
- **Occupation:** Apprentice, Trainee
- **Activity:** Drill face, Rib, Side, Down
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** HEAD,NEC
- **Days lost:** 0
- **Mine experience:** 1.58 years
## Operator
- **Controller:** RTZ Corp  PLC; BHP Billiton PLC
- **Operator:** Resolution Copper Mining LLC
- **Mine:** [0200152](https://api.ai-analytics.org/mine/0200152)
## Narrative

Worker was attempting to drive a split set bolt in the back. The jackleg drill slipped and the worker lost his balance and his forehead contacted the rockbolt plate hanging on the split set bolt. Laceration requiring sutures resulted.

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