# HANDTOOLS (NONPOWERED)
> MSHA accident `220121430045` · 05/14/2012 · Trap Rock Industries Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion NEC
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Hand tools (not powered)
- **Injury source:** WRENCH
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 2.73 years
## Operator
- **Controller:** William H  Stavola
- **Operator:** Trap Rock Industries Inc
- **Mine:** [2800033](https://api.ai-analytics.org/mine/2800033)
## Narrative

Employee was tightening a ""J"" hook during a screen change using a wrench when he strained his left shoulder.

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