# HANDTOOLS (NONPOWERED)
> MSHA accident `220020880031` · 02/20/2002 · Knife River Corporation-Northwest
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Struck by flying object
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** KNEE/PATELLA
- **Days lost:** —
- **Mine experience:** 1.15 years
## Operator
- **Controller:** MDU Resources Group Inc
- **Operator:** Knife River Corporation-Northwest
- **Mine:** [3502968](https://api.ai-analytics.org/mine/3502968)
## Narrative

CHANGING ANVILS ON IMPACT CRUSHER & A CHIP BROKE OFF & STRUCK KNEE.

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