# HANDTOOLS (NONPOWERED)
> MSHA accident `220220910043` · 03/24/2022 · St. Marys Cement U.S. LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in wielding or throwing objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** AXE,HAMMER,SLEDGE
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 0
- **Mine experience:** 5 years
## Operator
- **Controller:** VOTORANTIM CIMENTOS
- **Operator:** St. Marys Cement U.S. LLC
- **Mine:** [2000038](https://api.ai-analytics.org/mine/2000038)
## Narrative

An employee was swinging a sledgehammer to knock out pins on the clinker cooler conveying elements. The employee noticed a sharp pain in the left hand. The employee was then diagnosed with hook of the hamate fracture.  

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