# MACHINERY
> MSHA accident `220153160024` · 10/30/2015 · Martin Marietta Materials Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Flash burns (welding)
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Welding or cutting
- **Injury source:** MACHINE,NEC-WELDR,OFC MAC
- **Nature of injury:** ELECT.ARC BURN-NOT CONTAC
- **Body part:** EYE(S) OPTIC NERVE/VISON
- **Days lost:** 0
- **Mine experience:** 16.71 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials Inc.
- **Mine:** [0900899](https://api.ai-analytics.org/mine/0900899)
## Narrative

The employee and a contractor were welding tread plates on the scale. The employee awoke during the night with flash burns, but he did not report having any issues with his eyes immediately after welding. It appears that welding flash entered welding shield while performing back to back welding. 

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