# HANDTOOLS (NONPOWERED)
> MSHA accident `220052990019` · 10/20/2005 · Magnesita Refractories Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in pulling or pushing objects
- **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:** 0
- **Mine experience:** 1.23 years
## Operator
- **Controller:** Lhoist Group
- **Operator:** Magnesita Refractories Company
- **Mine:** [3600009](https://api.ai-analytics.org/mine/3600009)
## Narrative

Maintenance mechanic was changing cooler grates and experienced a thoracic back strain while tightening bolts with wrench.

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