# MACHINERY
> MSHA accident `220120940028` · 03/30/2012 · Materion Natural Resources
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Grinding
- **Injury source:** ABRAS STONE,WHEEL GRINDER
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** WRIST
- **Days lost:** 0
- **Mine experience:** 15.31 years
## Operator
- **Controller:** Materion Corporation
- **Operator:** Materion Natural Resources
- **Mine:** [4200706](https://api.ai-analytics.org/mine/4200706)
## Narrative

Employee was grinding a 1/2"" piece of metal. The metal was clamped in a vice. The grinder bound up or caught on something causing it to jump back, hitting the employee on the left wrist resulting in a laceration.

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