soldering operation
81Notching — For Nocking, the fitting of an arrow to a bowstring, see Archery. Notching is a metal cutting process used on sheetmetal or thin barstock, sometimes on angle sections or tube. A shearing or punching process is used in a press, so as to cut… …
82Charles Grafton Page — (January 25, 1812 in Salem, Massachusetts – May 5, 1868 in Washington, D.C.) was an American electrical experimenter and inventor, physician, patent examiner, patent advocate, and professor of chemistry. Charles Grafton Page …
83Prisoner characters — A list of all inmates of Wentworth Detention Centre in the television series Prisoner. Note that episode numbers cited are for first and last appearances; many characters had spells where they were absent and subsequently returned. Listed in… …
84Aster CT-80 — The Aster CT 80, an early home/personal computer developed by the small Dutch company MCP (later renamed to Aster Computers), was sold in its first incarnation as a kit for hobbyists. Later it was sold ready to use. It consisted of several… …
85Diamond — This article is about the mineral. For the gemstone, see Diamond (gemstone). For other uses, including the shape ◊, see Diamond (disambiguation) …
86Gemstone — Jewels redirects here. For other uses, see Jewels (disambiguation). Precious Stone redirects here. For the James Bond character, see Hurricane Gold. For other uses, see Gemstone (disambiguation). A selection of gemstone pebbles made by tumbling… …
87Serendipity — is the effect by which one accidentally discovers something fortunate, especially while looking for something else entirely. The word has been voted as one of the ten English words that were hardest to translate in June 2004 by a British… …
88Sinclair ZX81 — Infobox computer Photo = Type = Home computer Released = 1981 Discontinued = 1984 [cite book |last=Forster |first=Winnie |authorlink=Winnie Forster |title=The encyclopedia of consoles, handhelds home computers 1972 2005 |year=2005… …
89Electrical conductor — Overhead conductors carry electric power from generating stations to customers. In physics and electrical engineering, a conductor is a material which contains movable electric charges. In metallic conductors such as copper or aluminum, the… …
90IPAQ — This article is about the iPAQ PDA; for the iPAQ Desktop Personal Computer, see iPAQ (desktop computer). iPAQ presently refers to a Pocket PC and personal digital assistant first unveiled by Compaq in April 2000; the name was borrowed from Compaq …
