# HANDTOOLS (NONPOWERED)
> MSHA accident `220000530031` · 02/07/2000 · Yamada and Sons, Inc.
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **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:** UNCLASSIFIED,NOT DETERMED
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** —
- **Mine experience:** 21.76 years
## Operator
- **Controller:** Yamada Diversified Corp
- **Operator:** Yamada and Sons, Inc.
- **Mine:** [5100046](https://api.ai-analytics.org/mine/5100046)
## Narrative

USING SLEDGE HAMMER TO POUND STEEL PLATES ON A JAW CRUSHER AND FELT LOW BACK PAIN.

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