# HANDLING OF MATERIALS
> MSHA accident `220211390007` · 05/18/2021 · Davis Sand & Gravel
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Mine manager, Mine foreman, Mine owner
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CRUSHING
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 13
- **Mine experience:** 6 years
## Operator
- **Controller:** Ronald H Davis
- **Operator:** Davis Sand & Gravel
- **Mine:** [0102087](https://api.ai-analytics.org/mine/0102087)
## Narrative

Replacing shaft seal on dredge, removed retaining plate by taking out last bolt. Was told by coworker to move their hand before knocking plate loose after last bolt and plate slid down mashing a thumb before they could remove their hand. Mashed right thumb.

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