# HANDTOOLS (NONPOWERED)
> MSHA accident `220112570013` · 09/08/2011 · Materion Natural Resources
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Struck by flying object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 13.69 years
## Operator
- **Controller:** Materion Corporation
- **Operator:** Materion Natural Resources
- **Mine:** [4200706](https://api.ai-analytics.org/mine/4200706)
## Narrative

When changing the teeth on the 330 BL excavator bucket, using a small sledge hammer to loosen the teeth, a small metal shard broke loose from the tooth penetrating the assisting employee's shoulder.

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