# EXPLODING VESSELS UNDER PRESSURE
> MSHA accident `220232080015` · 07/25/2023 · Rock of Ages Corp
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **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:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CONCUSSION-BRAIN,CEREBRAL
- **Body part:** BRAIN
- **Days lost:** 4
- **Mine experience:** 1.27 years
## Operator
- **Controller:** Polycor Inc
- **Operator:** Rock of Ages Corp
- **Mine:** [4300027](https://api.ai-analytics.org/mine/4300027)
## Narrative

While attaching an air line for a Drill the miner was tightening up the 2.5"" line when they tapped the ears on the fitting with a small hammer the miner did not notice that the valve was cracked and the valve separated and struck the miner in the face neck and chest.

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