# MACHINERY
> MSHA accident `220040440050` · 02/09/2004 · Cemex Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **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:** 0.94 years
## Operator
- **Controller:** Cemex S A
- **Operator:** Cemex Inc
- **Mine:** [0500344](https://api.ai-analytics.org/mine/0500344)
## Narrative

JACKHAMMERING MATERIAL UNDER 629-2 BELT IN DUST HOPPER, JACKHAMMER GOT STUCK IN A HOLE. WHEN EMPLOYEE TRIED TO PULL IT OUT OF THE HOLE HE STRAINED HIS LOWER BACK.

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