# MACHINERY
> MSHA accident `220210990009` · 03/12/2021 · Knife River Corporation-Northwest
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by flying object
- **Occupation:** Crusher attendant/operator, Pan feeder operator/worker
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** OTHER INJURY,NEC
- **Body part:** EYE(S) OPTIC NERVE/VISON
- **Days lost:** 0
- **Mine experience:** 0.1 years
## Operator
- **Controller:** MDU Resources Group Inc
- **Operator:** Knife River Corporation-Northwest
- **Mine:** [3503667](https://api.ai-analytics.org/mine/3503667)
## Narrative

WHILE PERFORMING MAINTENANCE ACTIVITIES, PNEUMATIC HOSE ATTACHED TO IMPACT GUN SEPARATED AT UNION. COUPLER AT END OF HOSE STRUCK TM IN RIGHT CHEEK AND MOVE BETWEEN EYE AND EYE PROTECTION. TM WAS EVALUATED AND PRESCIRBED MEDICATION

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