| 21. | The cover die contains the runner, which is the path from the sprue or shot hole to the mold cavity.
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| 22. | During casting or molding, the material in the sprue will solidify and need to be removed from the finished part.
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| 23. | However, for turbulent sensitive materials short sprues are used to minimize the distance the material must fall when entering the mold.
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| 24. | Its levels are reduced in response to villi-blunting events such as celiac sprue and the inflammation associated with the disorder.
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| 25. | This is likely to be due to the reuse of material from earlier pourings, casting sprues, defective medals, etc.
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| 26. | Depending on the type of product it may then be cut or sanded to remove any casting artefacts like sprues and seams.
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| 27. | Through his researches, pellagra in the southern United States and tropical sprue in Cuba and Puerto Rico have been virtually eliminated.
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| 28. | The villous atrophy seen on biopsy may also be due to unrelated causes, such as tropical sprue, giardiasis and radiation enteritis.
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| 29. | Because of the effects of anemia and the suspicion that tropical sprue was related to diet, Rhoads experimentally controlled patients'diets.
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| 30. | In 1931, William B . Castle and his assistant Cornelius P . Rhoads studied hookworm and tropical sprue in relation to anemia.
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