Condensing 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 … Wikipedia
Dry masonry — Dry Dry (dr[imac]), a. [Compar. {Drier}; superl. {Driest}.] [OE. dru[yogh]e, druye, drie, AS. dryge; akin to LG. dr[ o]ge, D. droog, OHG. trucchan, G. trocken, Icel. draugr a dry log. Cf. {Drought}, {Drouth}, 3d {Drug}.] 1. Free from moisture;… … The Collaborative International Dictionary of English
Double boiler — Schematic of an improvised double boiler, as used in outdoor cooking A double boiler, also known as a bain Marie, is a stove top apparatus used to cook delicate sauces such as beurre blanc, to melt chocolate without burning or seizing, or cook… … Wikipedia
Coal combustion products — (CCPs) (also called coal combustion wastes (CCW)) are categorized in four groups, each based on physical and chemical forms derived from coal combustion methods and emission controls: Fly ash is captured after coal combustion by filters (bag… … Wikipedia
building 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… … Universalium
technology, 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… … Universalium
Chimney — For other uses, see Chimney (disambiguation). Smokestack redirects here. For the 1963 avant garde jazz album, see Smokestack (album). The world s tallest chimney, of GRES 2 in Ekibastuz, Kazakhstan. A chimney is a structure for venting hot flue… … Wikipedia
Northern Counties Committee — The Northern Counties Committee (NCC) was a railway that served the north east of Ireland. It was built to Irish gauge (1,600 mm (5 ft 3 in)) but later acquired a number of 914 mm (3 ft) narrow gauge… … Wikipedia
Old Faithful Historic District — U.S. National Register of Historic Places U.S. Historic district … Wikipedia
Underfloor heating — Heat can be provided by circulating heated water or by electric cable, mesh, or film heaters.Underfloor heating can be used with concrete and wooden floors, with all types of floor covering (e.g., stone, tile, wood, vinyl, and carpet), and at… … Wikipedia
History of the Caribbean — The history of the Caribbean reveals the significant role the region played in the colonial struggles of the European powers since the fifteenth century. In the twentieth century the Caribbean was again important during World War II, in the… … Wikipedia