orifice area

  • 31cardiovascular disease — Introduction       any of the diseases, whether congenital or acquired, of the heart and blood vessels (blood vessel). Among the most important are atherosclerosis, rheumatic heart disease, and vascular inflammation. Cardiovascular diseases are a …

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  • 32Vagina — This article is about the body part. For other uses, see Vagina (disambiguation). Vagina …

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  • 33Powder metallurgy — is the process of blending fine powdered materials, pressing them into a desired shape (compacting), and then heating the compressed material in a controlled atmosphere to bond the material (sintering). The powder metallurgy process generally… …

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  • 34Masters (The Tripods) — The Masters are a fictional intelligent alien life form in John Christopher s The Tripods trilogy. They are first mentioned and seen in chapter 6 of The City of Gold and Lead. Contents 1 Biology 2 Psychology 3 Technology …

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  • 35Chigoe flea — Scientific classification Kingdom: Animalia Phylum …

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  • 36Deriner Dam — construction site …

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  • 37Reservoir — This article is about an artificial body of water. For other uses, see Reservoir (disambiguation). The Jhonghua Dam on the Dahan River in Taoyuan County, Taiwan. A reservoir (pronounced either REZ ur vore or REZ er vwar, etymology: from French… …

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  • 38Urethra — Gray s subject #256 1234 Artery Inferior vesical artery Middle rectal artery Internal pudendal artery Vein …

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  • 39Seismic retrofit — Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. Other retrofit techniques are applicable to areas subject to tropical cyclones,… …

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  • 40Teredinidae — Taret Taret (séché) …

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