# HANDTOOLS (NONPOWERED)
> MSHA accident `220161960022` · 07/11/2016 · The National Lime & Stone Company
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Fall onto or against objects
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Hand tools (not powered)
- **Injury source:** STAIRS,STEPS-OUTSIDE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 9
- **Mine experience:** 0.83 years
## Operator
- **Controller:** National Lime & Stone Co.
- **Operator:** The National Lime & Stone Company
- **Mine:** [3301429](https://api.ai-analytics.org/mine/3301429)
## Narrative

Employee was tightening a jam nut on the crusher when the wrench slipped causing EE to fall backwards striking back on the steps behind EE.

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