# HANDLING OF MATERIALS
> MSHA accident `220100840049` · 03/15/2010 · Martin Marietta Materials, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Welder (shop)
- **Activity:** Handling supplies or material
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 5.29 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [3101971](https://api.ai-analytics.org/mine/3101971)
## Narrative

While cleaning around #2 conveyor Injury moved the corner post to the guard. He was shaking the post to remove loose material when he felt pain in his knee. He continued working until 12pm when he said the pain had gotten worse, he reported incident to supervisor. *Employee worked restricted duty for three days before returning to regular duty.

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