# MACHINERY
> MSHA accident `220040260018` · 01/21/2004 · Unimin Corp
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Inspect equipment or mine
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** CONCUSSION-BRAIN,CEREBRAL
- **Body part:** BRAIN
- **Days lost:** —
- **Mine experience:** 3.3 years
## Operator
- **Controller:** S C R-Sibelco Nv
- **Operator:** Unimin Corp
- **Mine:** [4500779](https://api.ai-analytics.org/mine/4500779)
## Narrative

WHILE INVESTIGATING LOUD NOISE AND EXCESSIVE VIBRATION FROM USI CRUSHER. A STEEL PLATE WELDED ON CHUTE BROKE LOOSE AND FELL STRIKING EE ON HEAD. CALL PIPE WAS IN USE AT TIME OF ACCIDENT.

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