# HANDTOOLS (NONPOWERED)
> MSHA accident `220172860027` · 10/05/2017 · Martin Marietta Materials, Inc. 
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Struck by... NEC
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Hand tools (not powered)
- **Injury source:** CHISEL
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** MOUTH/LIP/TEETH/TONGUE/THROAT/TASTE
- **Days lost:** 0
- **Mine experience:** 5.19 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc. 
- **Mine:** [4003159](https://api.ai-analytics.org/mine/4003159)
## Narrative

The employee was helping the mechanic to replace the idler on the Komatsu PC220 trackhoe.  They were using a hammer to hit a chisel into a slot to help the shaft slide into place. The chisel unexpectedly popped out of the slot and came back and hit the employee in EE's open mouth, injuring two of EE's teeth.

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