# MACHINERY
> MSHA accident `220060170050` · 12/01/2005 · LaFarge Building Materials Incorporated
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (powered)
- **Injury source:** HAND TOOLS,POWERED,NEC
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 0
- **Mine experience:** 11.77 years
## Operator
- **Controller:** Lafarge S A
- **Operator:** LaFarge Building Materials Incorporated
- **Mine:** [3400026](https://api.ai-analytics.org/mine/3400026)
## Narrative

Tightening liner bolts in raw mill with impact wrench----had to tighten full set of bolts in mill inlet end using impact wrench. Noticed soreness and tingling in hands.

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