# HANDLING OF MATERIALS
> MSHA accident `220180510004` · 01/31/2018 · Coast Aggregates
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck by rolling or sliding object
- **Occupation:** Utility man, Shift tech, Service/Dump truck operator
- **Activity:** Handling supplies or material
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** CRUSHING
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 0
- **Mine experience:** 2 years
## Operator
- **Controller:** Kurt  Caillier; Randy  Caillier
- **Operator:** Coast Aggregates
- **Mine:** [0405908](https://api.ai-analytics.org/mine/0405908)
## Narrative

While removing back plate covering screen, after taking nuts and washers off we did not know that the bolts were not welded on inside of screen. The weight of the plate caused the bolts to angle downward and the plate to slide off bolts smashing employee's left hand.

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