tube-reducing machine
31Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …
32Treatment of multiple sclerosis — Several therapies for multiple sclerosis (MS) exist, although there is no known cure. Multiple sclerosis is a chronic inflammatory demyelinating disease that affects the central nervous system (CNS). The most common initial course of the disease… …
33Positive airway pressure — A typical CPAP machine houses the air pump in a case lined with sound absorbing material for quieter operation. A hose carries the pressurized air to a face mask or nasal pillow …
34Kidney stone — Classification and external resources …
35U.S. Helicopter Armament Subsystems — The United States military has developed a number of Helicopter Armament Subsystems since the early 1960s. These systems are used for offensive and defensive purposes and make use of a wide variety of weapon types including, but not limited to… …
36Heckler & Koch MP5 — Type Submachine gun Place of origin …
37international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
38turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as …
39muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …
40Supermarine Spitfire (early Merlin powered variants) — Infobox Aircraft name =Spitfire type =Fighter manufacturer =Supermarine caption =Spitfire Vc launching from USS Wasp designer =R. J. Mitchell first flight =5 March 1936 introduction =1938 retired =1955, RAF status = primary user =Royal Air Force… …
