If you don't normally take turn times, you can ask your coach to time them in practice, warm-up or even prelims to give you a better frame of reference for your finals swim.

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So off he goes. The dog is walking down the street, when it comes to a level croing; the dog puts down the bag, jum up and prees the button.Then it waits patiently, bag in mouth, for the lights to turn. They do, and it walks acro the road, with the butcher following him all the way.

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The asteroid bodies are made up of hydroxylapatite, which in turn consists of calcium and phosphates or phospholipids.

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That therapeutic promise, the meeting's three panellists explain to us, comes from stem cells' chameleon-like ability to turn into any of the cells that make up the body's tissues and organs.

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This displacement of air from the fan center to the circumference causes a reduced pressure at the fan center or inlet, I, towards which more air moves, to be thrown in turn to the circumference, thereby keeping up a continuous flow of air through the fan.

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Today, when we walk in Rome, Paris, London, Washington, these towering obelisks still attract our eye like totems. They arouse surprise and admiration, which indicates the great value and respect that contemporary people still place on ancient civilizations. This, in turn, causes the bodies and minds of the viewers to rise up, trembling, in front of this powerful art refined over the course of history, ultimately resulting in a sort of domino effect.

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And some day the niftiest of these "smart meters" could even turn central-heating systems or air conditioners up or down as power prices rise and fall.

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With a sudden turn we left the pavement and roared up a rain-soaked gravel street.

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