# HANDTOOLS (NONPOWERED)
> MSHA accident `220052590020` · 09/12/2005 · Freeport-McMoRan Sierrita Ops.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Struck by rolling or sliding object
- **Occupation:** Pumper
- **Activity:** Hand tools (not powered)
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** KNEE/PATELLA
- **Days lost:** 52
- **Mine experience:** 0.37 years
## Operator
- **Controller:** Phelps Dodge Corp
- **Operator:** Freeport-McMoRan Sierrita Ops.
- **Mine:** [0200144](https://api.ai-analytics.org/mine/0200144)
## Narrative

Employee was using a doublejack hammer to drop a liner inside a ball mill after the bolts had been removed.  When the liner dropped, the balls caused the liner to roll towards the employee and the liner struck the employee above the left knee.

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