vapour chimney
1Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
2building 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… …
3Kerosene lamp — The kerosene lamp (widely known in Britain as a paraffin lamp) is any type of lighting device which uses kerosene (paraffin) as a fuel. There are two main types of kerosene lamp which work in different ways, the wick lamp and the pressure lamp… …
4Condensing boiler — A condensing boiler utilizes the latent heat of water produced from the burning of fuel, in addition to the standard sensible heat, to increase its efficiency. Contents 1 Principles of work 2 Usage 3 Efficiency 4 …
5environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
6lamp — lampless, adj. /lamp/, n. 1. any of various devices furnishing artificial light, as by electricity or gas. Cf. fluorescent lamp, incandescent lamp. 2. a container for an inflammable liquid, as oil, which is burned at a wick as a means of… …
7Air well (condenser) — High mass air well of Belgian engineer Achile Knapen in Trans en Provence …
8Cryostat — NASA s WISE infrared instrument is kept cold by a cryostat. The cryostat can be seen at the top of the spacecraft. A cryostat (from cryo meaning cold and stat meaning stationary) is a device used to maintain cold cryogenic temperatures. Low… …
9Basement — This article is about the section of a building. For other uses, see Basement (disambiguation). An unfinished basement used for storage and exercise equipment …
10skin disease — ▪ pathology Introduction any of the diseases or disorders that affect the human skin. They have a wide range of causes. General features Although most diseases affecting the skin originate in the layers of the skin, such abnormalities are… …
