For one, you enter into near total, disorienting darkness, into the windowless hall of the solid structure.

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Collins needs to go to a team with solid structure and an assertive coach and GM, Lee said.

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Even though helium atoms are four times chunkier than hydrogen atoms, they are still small enough to find all the weak spots as they worm their way through the crystalline structure of solid steel several centimetres thick.

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Since ballplayers are not pure commodities--service time counts as much as past performance in the league's salary structure--finding those solid contributors for little money can be the difference between a decent team and a champion.

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That 3-D data then got plugged into a solid-modeling program where engineering parameters such as material, thickness and structure were assigned to the shape.

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