furnace size
31Graphite — For other uses, see Graphite (disambiguation). Graphite Graphite specimen General Category Native element mineral …
32coal utilization — Introduction combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke… …
33Powder metallurgy — is the process of blending fine powdered materials, pressing them into a desired shape (compacting), and then heating the compressed material in a controlled atmosphere to bond the material (sintering). The powder metallurgy process generally… …
34Construction aggregate — Limestone quarry …
35hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
36Lonaconing, Maryland — Infobox Settlement official name = Lonaconing, Maryland settlement type = Town nickname = motto = imagesize = image caption = image imagesize = image caption = image mapsize = 250x200px map caption = Location of Lonaconing, Maryland mapsize1 =… …
37Brazing — This article is about the metal joining process. For the cooking technique, see braising. Brazing practice Brazing is a metal joining process whereby a filler metal is heated above and distributed between two or more close fitting parts by… …
38Lackawanna Steel Company — Infobox Company company name = Lackawanna Steel Company company company type = Public genre = foundation = 1840 founder = George W. Scranton, Seldon T. Scranton, William Henry location city = Scranton, Pennsylvania (1840 1902) Lackawanna, New… …
39coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
40building 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… …
