in 2011 aubrey clark was 17 when a gas lynn accident changed her life and lost her her voice. >> wei friend's house for a birthday party with a few friends. >> reporter: one of those friends got near an outdoor fire with a gas lynn can. clark was 10 feet away but flames shot out of the can. >> it was like, like a fire breathing dragon or like a flame thrower. >> like a fire breathing dragon. >> reporter: she was burned over 30% of her body and has had more than 25 surgeries. all due to a phenomenon investigators call flame jetting. burn prevention advocates say to understand it watch what appears to have happened to the blonde woman here at a bar in moscow. as a bar tender poured cal into flaming drinks. the woman was burned by the blast of flames but survived. how does something like that happen? officials began investigating flame jetting convenience in 2010. >> the very first test we did we had flame jet over 10 feet long. >> reporter: like in this test similar to aubrey clark's experience. here using a mannequin. >> all of a sudden, you'll see the jet encompass the victim. >> tha