That's where the technology packhorses roll in tired after a day of training sessions, meetings and seminars.

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He bought his first one--an Aeronca Chief with a propeller he had to crank by hand--in 1981 because he was tired of driving 300 miles a day in his pickup truck.

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For Stephen McAlpin, the experience of crouching in his bathtub with his wife, Emily, as bullets whizzed through his Watertown home left him tired and still shaken a day later.

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The dialysis process, which can take up to eight hours a day, can leave the patient feeling tired.

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"For every few really good outings you have one day when they wake up a bit tired or with a bit less concentration, " he said.

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By the end of a long day, he said, the extras sometimes get too tired to cheer.

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