precision grinding
121Dystonia — Dystonias Classification and external resources A person with medication induced dystonia. ICD 10 G24.9 …
122WKB approximation — In physics, the WKB (Wentzel–Kramers–Brillouin) approximation, also known as WKBJ (Wentzel–Kramers–Brillouin–Jeffreys) approximation, is the most familiar example of a semiclassical calculation in quantum mechanics in which the wavefunction is… …
123Cue stick — A pool cue and its major parts.[1]:71–72[2] A cue stick (or simply cue, more specifically pool cue, snooker cue, or billiards cue), is an item of …
124Operation Pointblank — Part of Strategic bombing campaign in Europe Messerschmitt Bf 109, singl …
125American Petroleum Institute — The American Petroleum Institute, commonly referred to as API, is the main U.S trade association for the oil and natural gas industry, representing about 400 corporations involved in production, refinement, distribution, and many other aspects of …
126Connections (TV series) — Not to be confused with the Canadian organized crime documentary, Connections (Canadian documentary). Connections James Burke, the creator and host of Connections, explains the Haber Bosch Process Genre …
127History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… …
128Gear cutting — is any number of methods used to manufacture precision gears.Gear hobbing is a method by which a special hobbing anto cutter and gear blank are rotated at the same time to transfer the profile of the hob onto the gear blank.Spur and other… …
