# MACHINERY
> MSHA accident `220202160015` · 08/02/2020 · Black Hills Bentonite
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Caught in, under or between running or meshing objects
- **Occupation:** Ball/Rod/Pebble/Hand/Limestone/Dry mill operator, Roller operator
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** CRUSHING
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 54
- **Mine experience:** 15 years
## Operator
- **Controller:** BHB Limited Partnership; A&M Products
- **Operator:** Black Hills Bentonite
- **Mine:** [4801539](https://api.ai-analytics.org/mine/4801539)
## Narrative

While unclogging a pin mill, the employee accidently stepped on the remote switch lowering the pin mill lid on top of themselves, crushing them between the lid and the pin mill. This resulted in a fractured vertebre and a loss of sensation in the right leg.

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