blind-end tube

  • 51Ultraviolet — UV redirects here. For other uses, see UV (disambiguation). UVB redirects here. For the mysterious shortwave radio station in Russia, see UVB 76. For other uses, see Ultraviolet (disambiguation). False color image of the Sun s corona as seen in… …

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  • 52Inner ear — The cochlea and vestibule, viewed from above …

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  • 53Tag (game) — Children playing a version of tag Players 2 or more Age range 3+ Setup time 1 minute or less Playing time …

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  • 54Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting …

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  • 55Heat exchanger — An interchangeable plate heat exchanger Tubular heat exchan …

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  • 56Development of the urinary and reproductive organs — The development of the urinary and reproductive organs as a part of the prenatal development, concerns the urinary system and sex organs. The latter is a part of the stages of sexual differentiation. The urinary and reproductive organs are… …

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  • 57List of challenges in Takeshi's Castle — A wide range of challenges were used throughout the history of the Japanese game show Takeshi s Castle, some occurring only once or twice, or others in virtually every show, depending upon their popularity and ease of preparation. Many challenges …

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  • 58List of After Colony characters — This is a list of fictional characters from the After Colony (AC) timeline of the Gundam anime metaseries, primarily Gundam Wing and Endless Waltz . The codes after the characters names indicate which series and manga the characters appear in.*… …

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  • 59Development of the reproductive system — The development of the reproductive system is a part of prenatal development, and concerns the sex organs. It is a part of the stages of sexual differentiation. Because its location to a large extent overlaps the urinary system, the development… …

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  • 60test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …

    Medical dictionary