crushed material
121Coade stone — Father Thames, a Coade stone sculpture by John Bacon, in the grounds of Ham House Lithodipyra (Stone fired twice Ancient Greek (λίθος/δίς/πυρά)), or Coade stone, was ceramic stoneware that was often described as an artificial stone in the late… …
122Cast stone — is defined as “a refined architectural concrete building unit manufactured to simulate natural cut stone, used in unit masonry applications”. In the UK and Europe cast stone is defined as “any material manufactured with aggregate and cementitious …
123foam glass — a black opaque cellular glass material 1/15 the weight of glass that is made by firing crushed glass with powdered carbon and is used as a substitute for cork, balsa wood, or kapok in life preservers and as an insulating material * * * cellular… …
124Permanent way — The permanent way means the physical elements of the railway line itself: generally the pairs of rails typically laid on sleepers embedded in ballast, intended to carry the ordinary trains of a railway. This page describes British practice and… …
125Downcycling — 3R Concepts Waste Disposal Hierarchy Reduce Reuse Recycle Barter Dematerialization Downcycling Dumpster diving …
126Roman infantry tactics — refers to the theoretical and historical deployment, formation and maneuvers of the Roman infantry from the start of the Roman Republic to the fall of the Western Roman Empire. The article first presents a short overview of Roman training. Roman… …
127Angola — 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. * * *… …
128western Africa, history of — Introduction history of the region from the 11th century to the present. A reasonable body of sources for the writing of western African history begins to be available about AD 1000. Three centuries earlier, the Arabs (Arab) had… …
