# FALLING/SLIDING/ROLLING MATERIALS
> MSHA accident `220171920009` · 06/30/2017 · Cemex de Puerto Rico
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** FALLING/SLIDING/ROLLING MATERIALS
- **Accident type:** Struck by falling object
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 75
- **Mine experience:** 0.15 years
## Operator
- **Controller:** Cemex S A
- **Operator:** Cemex de Puerto Rico
- **Mine:** [5400001](https://api.ai-analytics.org/mine/5400001)
## Narrative

Installing cement mill plates. Half of the line was installed and the cement mill was rotated in order to install the rest of the line. When the mill was rotated some plates fell, the contractor employees entered the mill for scaffolding installation. While installing the scaffolding, the plates fell impacting a contractor causing right ankle and rib fractures. 

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