# MACHINERY
> MSHA accident `220152930004` · 10/12/2015 · Lhoist North America of Arizona Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Quality control technician, Laboratory technician, Laboratory assistant
- **Activity:** Mill equipment
- **Injury source:** MACHINE-MILL,CLEANING PLT
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 9 years
## Operator
- **Controller:** Lhoist Group
- **Operator:** Lhoist North America of Arizona Inc.
- **Mine:** [0201457](https://api.ai-analytics.org/mine/0201457)
## Narrative

Employee strained lower back while performing a sample size distribution analysis with the sample shaker.

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