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As for its color, the company said it is "a visual aid for pilots and firefighters alike."

That's admittedly not the easiest visual aid to digest, so here's a summary: The total amount of such debt in the U.S. increased over those 15 years to a level of 220, or slightly more than double the amount that existed in 2007.

Rim a glass with fiery spices for a bit of heat, or add a sprig of thyme or rosemary for a subtle earthy flavor and a stunning visual aid.

“You use these charts as a visual aid,” Goodman said.

At one point, Barshis — who told jurors the average human body contains five liters of blood — lined up five, 2-liter bottles of Diet Coke on a ledge before the jury box, a visual aid to show jurors how much blood would have been at the scene.