# HANDTOOLS (NONPOWERED)
> MSHA accident `220033420008` · 12/04/2003 · Martin Marietta Aggregates
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Struck by flying object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** THIGH/FEMUR
- **Days lost:** —
- **Mine experience:** 23.46 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Aggregates
- **Mine:** [3101235](https://api.ai-analytics.org/mine/3101235)
## Narrative

PER SHOP MANAGER - AFTER HEATING THE COUNTERWEIGHT/GEAR TO RELIEVE THE PRESS FIT OF THE ASSEMBLY, TWO MECHANICS WERE HITTING THE COUNTERWEIGHT/GEAR WITH SLEDGE HAMMERS IN AN ATTEMPT TO REMOVE THE COUNTERWEIGHT/GEAR FROM THE ECCENTRIC BARREL. AFTER STRICKING THE COUNTERWEIGHT NUMEROUS TIMES, ON ONE GIVEN STRICK A PIECE OF THE CAST STEEL GEAR BROKE OFF AND PUNCTURED THE LEFT THIGH O

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