# HANDTOOLS (NONPOWERED)
> MSHA accident `220160530029` · 02/16/2016 · ASARCO LLC, a Delaware Limited Liability Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** WRENCH
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 44
- **Mine experience:** 18.56 years
## Operator
- **Controller:** Grupo Mexico S A B de C V
- **Operator:** ASARCO LLC, a Delaware Limited Liability Company
- **Mine:** [0200134](https://api.ai-analytics.org/mine/0200134)
## Narrative

Employee was tightening flange bolts on discharge valve when EE felt pain in EE's lower back.

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