# MACHINERY
> MSHA accident `220093450026` · 12/08/2009 · Cemex Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Pumper
- **Activity:** Hand tools (powered)
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 1.44 years
## Operator
- **Controller:** Cemex S A
- **Operator:** Cemex Inc
- **Mine:** [4100060](https://api.ai-analytics.org/mine/4100060)
## Narrative

Employee was in clinker tunnel jackhammering a large clinker chunk.  When the jackhammer broke through the chunk, employee lost his balance causing him to slip and fall on his right leg and twisting his right ankle.

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