# MACHINERY
> MSHA accident `220090360004` · 02/02/2009 · Holliston Sand Company Inc 
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (powered)
- **Injury source:** ABRAS STONE,WHEEL GRINDER
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 44
- **Mine experience:** 3.69 years
## Operator
- **Controller:** Robert W  Kimball
- **Operator:** Holliston Sand Company Inc 
- **Mine:** [3700093](https://api.ai-analytics.org/mine/3700093)
## Narrative

Pulled back muscle, during twisting motion, while using a grinder.

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