Cheetahs are the only big cat that cannot roar. They can purr though and usually purr most loudly when they are grooming or sitting near other cheetahs.

Keeping your car tuned up is a good way to save on gas. A car that is tuned up is 9% more efficient on gas.

The little circles of paper that are cut out after a paper has been punched by a hole puncher are called "chad."

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