Many disabled people do not have the body strength to twist, pull, lift or balance objects the way able-bodied people do.

BBC: Disabled at risk at home

In other displays, men used their teeth to pull cars, lift bicycles and balance plows.

WSJ: At These Olympics, It Helps

They say U.S. policymakers will need to lift taxes and cut spending to balance the federal budget, which has swung from a surplus of 2.5 percent of gross domestic product (GDP) in 2000 to a deficit of just under 4 percent in 2003.

CNN: IMF: U.S. needs to balance budget

These transfer payments flattered America's current-account balance in 1991 and so helped to lift the dollar.

ECONOMIST: War and Iraq

The control surfaces, acting independently or together with a variable angle of attack of up to 20 degrees (front) and 40 degrees (rear), move the car's center of aerodynamic balance around to compensate for the forces of pitch, roll, yaw and high-speed lift.

WSJ: Pagani Huayra Review: If Da Vinci Made a Sports Car | Rumble Seat by Dan Neil