manufactured sand
21brick and tile — ▪ building material Introduction structural clay products, manufactured as standard units, used in building construction. The brick, first produced in a sun dried form at least 6,000 years ago and the forerunner of a wide range of… …
22iron processing — Introduction use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a… …
23Iran — /i ran , i rahn , uy ran /, n. a republic in SW Asia. 67,540,002; ab. 635,000 sq. mi. (1,644,650 sq. km). Cap.: Teheran. Formerly (until 1935), Persia. * * * Iran Introduction Iran Background: Known as Persia until 1935, Iran became an Islamic… …
24Uzi submachine gun — Infobox Weapon name=Uzi caption=The Uzi origin=flag|Israel type=Submachine gun is ranged=yes service= used by=See Users wars=Six Day War, Yom Kippur War, Sri Lankan Civil War, Portuguese Colonial War, South African Border War, Rhodesian Bush War …
25environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
26Pakistan — /pak euh stan , pah keuh stahn /, n. 1. Islamic Republic of, a republic in S Asia, between India and Afghanistan: formerly part of British India; known as West Pakistan from 1947 71 to distinguish it from East Pakistan (now Bangladesh).… …
27Types of concrete — There are many types of concrete, variations of installation, composition, finish and performance characteristics. A highway paved with concrete …
28M249 light machine gun — Machine Gun, 5.56 mm, M249 M249 Para Type Squad automatic weapon/Light machine gun Place of …
29Paver (flooring) — Concrete paver blocks in a circular pattern Con …
30Wedgwood, Seattle, Washington — About the Seattle Wedgwood is a middle class residential neighborhood of northeast Seattle, Washington, with a modest commercial strip. Wedgwood is located about two miles (3 km) north, and slightly east, of the University of Washington; it is… …
