combustion liner
31technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
32Steam engine — A steam engine is a heat engine that performs mechanical work using steam as its working fluid. [ [http://www.britannica.com/EBchecked/topic/564472/steam engine steam engine Britannica Online Encyclopedia ] ] Steam engines have a long history,… …
33steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
34Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
35Cook stove — Stove manufacture in Senegal. In cooking, a cook stove is a very basic stove heated by burning wood, charcoal, animal dung or crop residue. Cook stoves are the most common way of cooking and heating food in developing countries. Developing… …
36Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
37Pistonless rotary engine — This article is about internal combustion engines that do not use conventional pistons. See also rotary engine (disambiguation) for other uses of this term, and rotary engine for the World War I aircraft engines by that name. A pistonless rotary… …
38Dairy — For other uses, see Dairy (disambiguation). A dairy farm near Oxford, New York in the United States. A dairy is a business enterprise established for the harvesting of animal milk mostly from cows or goats, but also from buffalo, sheep, horses or …
39naval ship — Introduction the chief instrument by which a nation extends its military power onto the seas. Warships protect the movement over water of military forces to coastal areas where they may be landed and used against enemy forces; warships… …
40Pellet stove — A wood pellet stove A pellet stove is a stove that burns compressed wood or biomass pellets to create a source of heat for residential and sometimes industrial spaces. By slowly feeding fuel from a storage container (hopper) into a burn pot area …
