# HANDLING OF MATERIALS
> MSHA accident `220031210068` · 04/22/2003 · Martin Marietta Materials Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck by falling object
- **Occupation:** Welder (shop)
- **Activity:** Handling supplies or material
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** KNEE/PATELLA
- **Days lost:** —
- **Mine experience:** 0.61 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials Inc
- **Mine:** [0901035](https://api.ai-analytics.org/mine/0901035)
## Narrative

THE OBJECT WAS SUSPENDED FROM THE OVERHEAD HOISTAS EE WAS SLIDING THE OBJECT THE VIBRATION ON THE FLOOR OF THE JAWBOX CAUSED A ROCK TO SLIDE BETWEEN THE GRIZZLY BARS AND DEFFECT OFF THE SLIDE PLATE UNDER THE GRIZZLY HIPS. AS IT FELL INTO THE JAW BOX, IT CLIPPED EE RIGHT KNEE.

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