# HANDLING OF MATERIALS
> MSHA accident `220102850016` · 09/27/2010 · Hanson Aggregates Pacific Southwest Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 1.08 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Hanson Aggregates Pacific Southwest Inc
- **Mine:** [0401790](https://api.ai-analytics.org/mine/0401790)
## Narrative

Employee was replacing a screen cloth on a screen deck in the Tertiary tower.  The screen was difficult to remove and the employee pulled at the screen vigorously causing strain to his upper back.

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