# HANDTOOLS (NONPOWERED)
> MSHA accident `220073480011` · 12/12/2007 · National Cement Company Of California Inc
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in wielding or throwing objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** CROWBAR,PRY BAR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 1
- **Mine experience:** 1.54 years
## Operator
- **Controller:** Vicat S A
- **Operator:** National Cement Company Of California Inc
- **Mine:** [0400213](https://api.ai-analytics.org/mine/0400213)
## Narrative

Employee strained the lower back using a 60 lb bar to strike the door to #3 ball mill to break the seal so the door could be opened.

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