# EXPLODING VESSELS UNDER PRESSURE
> MSHA accident `220200790004` · 03/16/2020 · Western Fuels-Wyoming Inc
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** EXPLODING VESSELS UNDER PRESSURE
- **Accident type:** Struck by flying object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** BOILR,PRES VSL,AIR HOS,OX
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** MOUTH/LIP/TEETH/TONGUE/THROAT/TASTE
- **Days lost:** 0
- **Mine experience:** 0.96 years
## Operator
- **Controller:** Western Fuels Association Inc
- **Operator:** Western Fuels-Wyoming Inc
- **Mine:** [4801429](https://api.ai-analytics.org/mine/4801429)
## Narrative

Technician was connecting an air hose to an Enerpac jack, the lock moved forward and locked onto the air fitting. When the technician turned the twist lock to allow for the flow of air through the fitting, the air line came back off of the jack and struck the technician in the mouth, causing an abrasion to the lip and a chipped tooth.

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