Other finds include the bone comb once used by an image conscious lough dweller and a metal blade which is still sharp after hundreds of years.

BBC: nit comb

Phototypesetting could use a photographic image of fonts, rather than hot metal, to create the printing layout.

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The steel frame that once revolutionized the Chicago skyline was again seminal, though now no longer hidden on the inside of walls - the International Style was all about exposed metal and glass, and represents most people's image of the modern skyscraper.

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It features an all-metal body in silver, black or white and is portable enough to travel across the world without sacrificing DSLR image quality and the control that experienced photographers expect.

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They include products and devices such as Bluetooth headsets used with cell phones, handheld metal detectors used by airport security, iPods, iPhones, electric blankets and pills that are swallowed and used to image internal organs by transmitting wireless data.

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