# HANDLING OF MATERIALS
> MSHA accident `220033560035` · 12/12/2003 · Covia Solutions Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **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,NEC-WELDR,OFC MAC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** —
- **Mine experience:** 27.07 years
## Operator
- **Controller:** S C R-Sibelco Nv
- **Operator:** Covia Solutions Inc.
- **Mine:** [4000793](https://api.ai-analytics.org/mine/4000793)
## Narrative

EE WAS PUTTING A A/C IN SUPERVISOR OFFICE. WHEN HE LIFTED THE A/C HE TRIPPED OVER A CHAIR TWISTING HIS LEFT KNEE AND HIT HIS BACK ON THE EDGE OF A DESK.

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