# HANDTOOLS (NONPOWERED)
> MSHA accident `220033530012` · 12/14/2003 · 3M Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in wielding or throwing objects
- **Occupation:** Welder (shop)
- **Activity:** Hand tools (not powered)
- **Injury source:** AXE,HAMMER,SLEDGE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** —
- **Mine experience:** 22.19 years
## Operator
- **Controller:** Minnesota Mining & Manufacturing Company
- **Operator:** 3M Company
- **Mine:** [4700119](https://api.ai-analytics.org/mine/4700119)
## Narrative

EE WAS POUNDING ON A BEARING HOUSING WITH AN 8 LB SLEDGE HAMMER TO REMOVE THE BEARING FROM THE SHAFT, AFTER ABOUT THE FIFTH TIME HE FELT A SHARP PAIN IN HIS LOWER BACK.

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