| 1 | Sound Identification: Combustion knocks are divided into two classes: preignition and detonation. | |
| 2 | Officials say leaky oxygen containers probably cause the building's nighttime explosion. | |
| 3 | So how do you go about turning a comparatively gentle deflagration reaction into a detonation? | |
| 4 | The "woof" you get when igniting a dish of flammable liquid such as gasoline is a deflagration. | |
| 5 | One of the primary attributes of deflagration is that the flame travels at a speed significantly lower than the speed of sound. |