# HANDLING OF MATERIALS
> MSHA accident `220191650020` · 01/15/2019 · Continental Cement Company, LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** MACHINE-MILL,CLEANING PLT
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 31
- **Mine experience:** 12 years
## Operator
- **Controller:** Summit Materials LLC
- **Operator:** Continental Cement Company, LLC
- **Mine:** [2302434](https://api.ai-analytics.org/mine/2302434)
## Narrative

Employees were inside the coal mill replacing the rubber sleeve. The employee's left leg was standing on a lip and right leg was kneeling on the roll in order to repair the rubber sleeve. When the employee lifted the sleeve, EE's left knee ""popped"". Employee diagnosed with a lateral collateral ligament sprain and had surgery on June 13, 2019.

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