the material to be crushed is fed in
81Mill (grinding) — Mill A tabletop hammer mill Other names Grinding mill Uses Grinding Related items Mortar and pestle Expeller Extruder A grinding mill is …
82printmaking — /print may king/, n. the art or technique of making prints, esp. as practiced in engraving, etching, drypoint, woodcut or serigraphy. [1925 30; PRINT + MAKING] * * * Art form consisting of the production of images, usually on paper but… …
83Ice — This article is about water ice. For the broader concept of ices as used in the planetary sciences, see volatiles. For other uses, see Ice (disambiguation) …
84Sleeps Hill railway station, Adelaide — Sleeps Hill was the location of a number of quarries which became the source of ballast stone for the South Australian Railways (SAR). From 1909, a branch line, parallel to the main line and the Clapham branch line, served the Sleeps Hill… …
85Black hole — For other uses, see Black hole (disambiguation). Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitat …
86Sea shanty — For the song Sea Shanty by Quasi, see Featuring Birds For the album Sea Shanties by English band High Tide, see High Tide (band). Sailors sang shanties while performing shipboard labor A shanty (also spelled chantey , chanty ) is a type of work… …
87Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …
88salt — salt1 saltlike, adj. /sawlt/, n. 1. a crystalline compound, sodium chloride, NaCl, occurring as a mineral, a constituent of seawater, etc., and used for seasoning food, as a preservative, etc. 2. table salt mixed with a particular herb or… …
89SALT — /sawlt/, n. See Strategic Arms Limitation Talks. * * * I Chemical compound formed when the hydrogen of an acid is replaced by a metal or its equivalent, such as ammonium (NH4). Typically, an acid and a base react to form a salt and water. Most… …
90Natural History (Pliny) — Naturalis Historia, 1669 edition, title page. The title at the top reads: Volume I of the Natural History of Gaius Plinius Secundus. The Natural History (Latin: Naturalis Historia) is an encyclopedia published circa AD 77–79 by Pliny the… …
