# MACHINERY
> MSHA accident `220051570049` · 05/18/2005 · Asarco LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Welder (shop)
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 0.71 years
## Operator
- **Controller:** Grupo Mexico S A B de C V
- **Operator:** Asarco LLC
- **Mine:** [0200826](https://api.ai-analytics.org/mine/0200826)
## Narrative

EMPLOYEE REPORTED HE WAS BOLTING A FLANGE USING AN IMPACT WRENCH. WRENCH SLIPPED OFF OF NUT & EE INJURED HIS BACK.

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