guide ring coupling
81Maxwell's equations — For thermodynamic relations, see Maxwell relations. Electromagnetism …
82F connector — The F connector is a type of coaxial RF connector commonly used for over the air terrestrial television, cable television and universally for satellite television and cable modems, usually with RG 6/U cable or, in older installations, with RG… …
83ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …
84Outline of geography — See also: Index of geography articles The following outline is provided as an overview of and topical guide to geography: Geography – science that studies the lands, features, inhabitants, and phenomena of Earth.[1] The physical world …
85Clutch — For other uses, see Clutch (disambiguation). Rear side of a Ford V6 engine, looking at the clutch housing on the flywheel …
86Enzyme — Biocatalyst redirects here. For the use of natural catalysts in organic chemistry, see Biocatalysis. Human glyoxalase I. Two zinc ions that are needed for the enzyme to catalyze its reaction are shown as purp …
87Ground (electricity) — In electrical engineering, ground or earth may be the reference point in an electrical circuit from which other voltages are measured, or a common return path for electric current, or a direct physical connection to the Earth. A typical earthing… …
88Leica Camera — Coordinates: 50°32′35″N 008°23′25″E / 50.54306°N 8.39028°E / 50.54306; 8.39028 …
89Fart lighting — Fart lighting, (also called fart burning, blue darting, blue flame, blue angel, flatus ignition, and pyroflatulence) is the practice of setting fire to the gases produced by human flatulence, often producing a blue hue. Although there is little… …
90Fluoroscopy — is an imaging technique commonly used by physicians to obtain real time moving images of the internal structures of a patient through the use of a fluoroscope. In its simplest form, a fluoroscope consists of an x ray source and fluorescent screen …
