# HANDLING OF MATERIALS
> MSHA accident `220122280016` · 08/07/2012 · Rio Tinto Kennecott Copper
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 32 years
## Operator
- **Controller:** Rio Tinto Group
- **Operator:** Rio Tinto Kennecott Copper
- **Mine:** [4201996](https://api.ai-analytics.org/mine/4201996)
## Narrative

An employee was in the process of repairing a trunnion grease line. The guarding was pulled away from the mill with a winch. Once the grease line was repaired, a wedge was placed in between and tension was released. The employee was then removing the wedge when it slipped out. The tip of his left middle finger was pinched resulting in a fracture and lacerations.

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