basic furnace
51Nuclear thermal rocket — Sketch of nuclear thermal rocket …
52Slag — is the by product of smelting ore to purify metals. They can be considered to be a mixture of metal oxides; however, they can contain metal sulfides (see also matte) and metal atoms in the elemental form. While slags are generally used as a waste …
53Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
54biblical literature — Introduction four bodies of written works: the Old Testament writings according to the Hebrew canon; intertestamental works, including the Old Testament Apocrypha; the New Testament writings; and the New Testament Apocrypha. The Old… …
55Cremation — A Hindu Cremation in India P …
56Rewari — Infobox Indian Jurisdiction native name = Rewari | type = city | latd = 28.18 | longd = 76.62 locator position = right | state name = Haryana district = Rewari leader title = leader name = altitude = 245 population as of = 2001 population total …
57building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
58Mittal Steel South Africa — is part of the steel company Arcelor Mittal[1]. The company was originally Iscor Limited, a South African parastatal steel company. It was founded in 1928 and was first listed on the JSE Securities Exchange in 1989. Contents 1 History 1.1… …
59Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
60manganese processing — Introduction preparation of the ore for use in various products. Manganese (Mn) is a hard, silvery white metal with a melting point of 1,244° C (2,271° F). Ordinarily too brittle to be of structural value itself, it is an essential… …
