# HANDLING OF MATERIALS
> MSHA accident `220041550017` · 06/01/2004 · Kaiser Aluminum & Chemical Corporation
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Carpenter
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 55
- **Mine experience:** 31.4 years
## Operator
- **Controller:** Maxxam Inc
- **Operator:** Kaiser Aluminum & Chemical Corporation
- **Mine:** [1600352](https://api.ai-analytics.org/mine/1600352)
## Narrative

Employee manually rolled a valve over for blasting. Shortly after completing this task, he felt a pain in his lower back on the right side.

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