blast-furnace well
61magnesium processing — Introduction preparation of the ore for use in various products. Magnesium (Mg) is a silvery white metal that is similar in appearance to aluminum but weighs one third less. With a density of only 1.738 grams per cubic centimetre, it… …
62Building insulation materials — A selection of insulation materials can aid in building insulation. All of these are based on standard principles of thermal insulation. Materials used to reduce heat transfer by conduction, radiation or convection are employed in varying… …
63Window shutter hardware — Window Shutter Hardware> Overview A series of documents are provided here to further explain terms and terminology related to shutter hardware and blacksmithing, as well as the evolution of early hardware.A Brief History of Early Hardware In its… …
64Duluth Works — The Duluth Works was an industrial steel and cement manufacturing complex located in Duluth, Minnesota, in operation 1915 to 1987. The complex was operated by the United States Steel Corporation. Officially, the plant s purpose was to supply the… …
65Butterley Company — Infobox Company name = Butterley Engineering type = Ltd genre = foundation = 1790 founder = Benjamin Outram location city = location country = location = Ripley, Derbyshire locations = area served = key people = industry = Engineering, Oil,… …
66Cement — In the most general sense of the word, a cement is a binder, a substance which sets and hardens independently, and can bind other materials together. The name cement goes back to the Romans who used the term opus caementicium to describe masonry… …
67Slag — 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 …
68Brymbo Steelworks — The Brymbo Steelworks was a former large steelworks in the village of Brymbo near Wrexham, Wales. For much of its life it was a rather ordinary ironworks and later steelworks, but is significant on account of its founder, and as having one of a… …
69TrentonWorks Ltd. — TrentonWorks was a railcar manufacturing company based in Trenton, Nova Scotia, Canada.Predecessor companiesThe Hope Iron Works was founded at Trenton by blacksmiths Graham Fraser and Forrest MacKay in 1872 to produce iron forgings such as… …
70Fire brick — A fire brick, firebrick, or refractory brick is a block of refractory ceramic material used in lining furnaces, kilns, fireboxes, and fireplaces.A refractory brick is built primarily to withstand high heat, but should also usually have a low… …
