# MACHINERY
> MSHA accident `220100880011` · 03/19/2010 · National Cement Company Of California Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck against a moving object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Bulldozer
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** DERMATITIS,RASH,SKIN INFL
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 13.9 years
## Operator
- **Controller:** Vicat S A
- **Operator:** National Cement Company Of California Inc
- **Mine:** [0400213](https://api.ai-analytics.org/mine/0400213)
## Narrative

Employee was operating D-9 Dozer in Quarry.  He complained of soreness in the area of his tail-bone.  Apparently employee developed a boil in tail bone area possibly due to bouncing of dozer in rough terrain.  Investigation of seat in dozer indicated that the seat was in good condition.

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