# MACHINERY
> MSHA accident `220010990157` · 04/01/2001 · Ash Grove Cement Company
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Assayer, Geologist, Metallurgist, Engineer, Engineer management
- **Activity:** Hand tools (powered)
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** —
- **Mine experience:** 0.8 years
## Operator
- **Controller:** Ash Grove Cement Company
- **Operator:** Ash Grove Cement Company
- **Mine:** [4201665](https://api.ai-analytics.org/mine/4201665)
## Narrative

INJURED EE WAS USING A JACK HAMMER. WHILE HAMMERING HE LIFTED THE HAMMER & TWISTED HIS BACK WHILE TRYING TO REMOVE THE HAMMER BIT FROM A HOLE INTHE CONCRETE.

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