# HANDLING OF MATERIALS
> MSHA accident `220070120006` · 01/10/2007 · Specialty Minerals Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Couple or uncouple mine car
- **Injury source:** MCH PWR TRNSMSN APPR,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 28.38 years
## Operator
- **Controller:** Minerals Technologies Inc
- **Operator:** Specialty Minerals Inc
- **Mine:** [0400219](https://api.ai-analytics.org/mine/0400219)
## Narrative

Worker was trying to operate a railroad switch to divert a railcar to a scales for weighing.  The switch was hard to operate.  Worker tried to kick the switch into place when he pulled ligaments in his knee.

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