# MACHINERY
> MSHA accident `220131300033` · 05/06/2013 · Tower Rock Stone Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 2
- **Mine experience:** 13.29 years
## Operator
- **Controller:** Jay E  Luhr; Michael  Luhr
- **Operator:** Tower Rock Stone Company
- **Mine:** [2300781](https://api.ai-analytics.org/mine/2300781)
## Narrative

Miner was tighting nuts on wheel studs after wheels were removed for maintenance.  Air impact wrench and socket slipped off nut when tightening an upper stud. While miner was trying to keep wrench from hitting ground, he strained his right shoulder and neck.

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