# MACHINERY
> MSHA accident `220220660028` · 03/03/2022 · Buzzi Unicem USA
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Struck by... NEC
- **Occupation:** Welder (non-shop)
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** THIGH/FEMUR
- **Days lost:** 0
- **Mine experience:** 0.81 years
## Operator
- **Controller:** Buzzi S p A
- **Operator:** Buzzi Unicem USA
- **Mine:** [4100283](https://api.ai-analytics.org/mine/4100283)
## Narrative

Worker was loosening allen bolt from cylinder with 1"" air impact attached to swivel with a 24mm allen socket, when socket slipped off bolt and came into contact with workers leg resulting in a contusion on middle inside right thigh.

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