# MACHINERY
> MSHA accident `220180360029` · 01/31/2018 · Heidelberg Materials US Cement LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by flying object
- **Occupation:** Welder (shop)
- **Activity:** Grinding
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** OTHER INJURY,NEC
- **Body part:** EYE(S) OPTIC NERVE/VISON
- **Days lost:** 0
- **Mine experience:** 0.04 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials US Cement LLC
- **Mine:** [1800017](https://api.ai-analytics.org/mine/1800017)
## Narrative

2 employees were grinding on a chain conveyor approximately 6' apart in the dome area of the cement plant, one employee felt a piece of metal fly into left eye. EE was unsure if the debris was from EE's own grinding or from the employee next to EE.

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