annular cutting

  • 21Water well — Village pump redirects here. For information on Wikipedia project related discussions see Wikipedia:Village pump. Water well at the Wald monastery in Germany. A water well is an excavation or structure created in the ground by digging, driving,… …

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  • 22sheath — 1. Any enveloping structure, such as the membranous covering of a muscle, nerve, or blood vessel. Any sheathlike structure. SYN: vagina (1). 2. The prepuce of male animals, especially of the horse. 3. A specially designed tu …

    Medical dictionary

  • 23Those Magnificent Men in Their Flying Machines — Infobox Film name = Those Magnificent Men in Their Flying Machines, Or How I Flew from London to Paris in 25 Hours 11 Minutes image size = 225px caption = theatrical poster director = Ken Annakin producer = Stan Margulies writer = Ken Annakin… …

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  • 24Core sample — Rock core samples. The product of a Diamond rig. (The bird is a Pied Butcherbird.) A core sample is a cylindrical section of (usually) a naturally occurring substance. Most core samples are obtained by drilling with special drills into the… …

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  • 25body modifications and mutilations — Introduction       intentional permanent or semipermanent alterations of the living human body for reasons such as ritual, folk medicine, aesthetics, or corporal punishment. In general, voluntary changes are considered to be modifications, and… …

    Universalium

  • 26Dye laser — Close up of a table top dye laser based on Rhodamine 6G, emitting at 580 nm (yellow orange). The emitted laser beam is visible as faint yellow lines. The orange dye solution enters the laser from the left, and is pumped by a 514 nm (blue green)… …

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  • 27Junkers Ju 88 — infobox Aircraft name = Junkers Ju 88 type = Dive bomber/Tactical bomber/Night fighter/Torpedo bomber manufacturer =Junkers caption = Ju 88A designer = first flight = 21 December 1936 introduced =1939 retired = 1951 (France) number built = circa… …

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  • 28USS Iowa turret explosion — USS Iowa s Turret Two explodes Date April 19, 1989 Place Caribbean Sea ne …

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  • 29Completion (oil and gas wells) — This article is about the oil or gas well completion. For other uses of completion, see Completion (disambiguation) In petroleum production, completion is the process of making a well ready for production (or injection). This principally involves …

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  • 30Offshore oil spill prevention and response — Inspector on offshore oil drilling rig Offshore oil spill prevention and response is the study and practice of reducing the number of offshore incidents that release oil or hazardous substances into the environment and limiting the amount… …

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