hammer — I (New American Roget s College Thesaurus) v. strike, beat, drum, pound, ram. n. mallet, gavel, sledge. See impulse, repetition, instrumentality. II (Roget s IV) n. Syn. maul, mallet, mace, club, gavel, sledge, peen, rammer, ram, flatter, nailer* … English dictionary for students
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
Dolaucothi Gold Mines — The Dolaucothi Gold Mines (grid reference SN662403), also known as the Ogofau Gold Mine, are Roman surface and deep mines located in the valley of the River Cothi, near Pumsaint, Carmarthenshire, Wales. The gold mines are located within the… … Wikipedia
Silver mining in Arizona — was a powerful stimulus for exploration and prospecting in early Arizona. Cumulative silver production through 1981 totaled 490 million troy ounces (15 million kg). [Melissa Keane and A. E. Rogge (1992) Gold Silver Mining in Arizona, Arizona… … Wikipedia
hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… … Universalium
drilling machinery — equipment used to drill holes in the ground for such activities as prospecting, well sinking (petroleum, natural gas, water, and salt), and scientific explorations. Drilling holes in rock to receive blasting charges is an operation in… … Universalium
Asteroids in fiction — Asteroids and asteroid belts are a staple of science fiction stories.Asteroids play several potential roles in science fiction: as places which human beings might colonize; as resources for extracting minerals; as a hazard encountered by… … Wikipedia
Angola — Angolan, adj., n. /ang goh leuh/, n. a republic in SW Africa: formerly an overseas province of Portugal; gained independence Nov. 11, 1975. 10,623,994; 481,226 sq. mi. (1,246,375 sq. km). Cap.: Luanda. Formerly, Portuguese West Africa. * * *… … Universalium
METALS AND MINING — In the Bible Six metals are mentioned in the Bible and in many passages they are listed in the same order: gold, silver, copper, iron, tin, and lead. Antimony is also mentioned. The metals are referred to in various contexts, including methods of … Encyclopedia of Judaism
Norath — Norath … Wikipedia
Seismoelectrical Method — Basic ConceptThe Seismoelectrical method (also called the Electroseismic method or [http://www.agu.org/meetings/fm06/fm06 sessions/fm06 NS21A.html seismic electric] ) is based on the generation of electromagnetic fields in soils and rocks by… … Wikipedia