# HANDLING OF MATERIALS
> MSHA accident `220250900014` · 03/25/2025 · Amrize West Central Inc.
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck by falling object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** DRUM,PULY,SHEAVE-NT CONVY
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 0.23 years
## Operator
- **Controller:** Holcim Ltd
- **Operator:** Amrize West Central Inc.
- **Mine:** [0500073](https://api.ai-analytics.org/mine/0500073)
## Narrative

The worker was reinstalling a spring onto a tension pulley system. During this process the worker was holding the pulley up with EE's right hand and installing a plate with EE's left hand, when the pulley slipped from EE's right hand and made contact with EE's left thumb.

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