The Prison Service is trying a variety of counter-measures, including drug-free wings where prisoners who promise not to use drugs are given additional privileges.

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To ensure equity, each of the 329 eye doctors working at Aravind are rotated between the free and paying wings of the hospital.

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Triangulate operates Wings as a free app, but makes money off of the Facebook Credits its users buy to connect or communicate with each other.

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The wings, being free of engines, have advantages aerodynamically.

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Lloyd responded instantly by winning free balls and delivering passes to her wings and forwards to start a series of attacks.

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"I'm very into the Harley myth, " says Alvin LaSalle, 63, an electrical contractor in Cathedral City, California, who has Harley's trademark wings and the word "Free" tattooed on his arm.

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It's early days but I wonder how successfully it will be able to spread its wings beyond Singapore, which is hardly associated with free-spirited media.

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When the NHL and its players agreed to a salary cap this summer, it marked the end of the free-spending ways of teams like the Rangers and Red Wings.

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Officials had said they were examining the electrical system broadly, but while earlier incidents involved components in the aft electrical equipment bay, located behind the wings, Wednesday's involved a forward bay that until now had been largely free from scrutiny.

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