 uh... a vehicle and it was an older vehicle with a carburetor so we dumped a little gas down the carburetor and i was the one dumping the gas down the carburetor and it backfired caught my hand on fire ended up having to have a skin graft on my hand so when they took me to the ER in Ada of course you know they gotta take your blood so they checked my blood and i didn't really know anything about