см. shaft furnace
91Industrial fans — and blowers are valuable tools for moving air and materials required in a wide variety of manufacturing processes and industries, including cement, power, mining, coal treatment, pollution control, oil and gas, ethanol and steel. Ranging in size… …
92Bellefonte Central Railroad — The Bellefonte Central Railroad (reporting mark BFC)[1] was a shortline connecting Bellefonte and State College, Pennsylvania. Constructed in the late 19th century to haul local iron ore to furnaces in the Bellefonte region, it later hauled… …
93History of ferrous metallurgy — Iron (material) redirects here. For the chemical element Fe, see Iron. Bloomery smelting during the Middle Ages. The history of ferrous metallurgy began far back in prehistory. The earliest surviving iron artifacts, from the 5th millennium BC in… …
94Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
95Franklin B. Gowen — Infobox Person name = Franklin Benjamin Gowen caption = birth date = birth date|1836|2|9|mf=y birth place = Philadelphia, Pennsylvania death date = death date and age|1889|12|13|1836|2|9|mf=y death place = Washington, D.C.Franklin Benjamin Gowen… …
96cement — cementable, adj. cementer, n. cementless, adj. /si ment /, n. 1. any of various calcined mixtures of clay and limestone, usually mixed with water and sand, gravel, etc., to form concrete, that are used as a building material. 2. any of various… …
97Low-temperature thermal desorption — NOTE: This article is largely taken verbatim from the EPA s How to Evaluate Alternative Cleanup Technologies for Underground Storage Tank Sites . cite web last = first = authorlink = coauthors = date = url = http://www.epa.gov/OUST/cat/lttd.htm… …
98Du Shi — An illustration of blast furnace bellows operated by waterwheels, from the Nong Shu, by Wang Zhen, 1313 AD, during the Yuan Dynasty of China. Du Shi (Chinese: 杜詩; pinyin: Dù Shī; Wade–Giles: Tu Shih, d …
99bloomery process — Process for iron smelting. In ancient times, smelting involved creating a bed of red hot charcoal in a furnace to which iron ore mixed with more charcoal was added. The ore was chemically reduced (see oxidation reduction), but, because primitive… …
100List of problems solved by MacGyver — This is a list of problems that have been solved by the fictional character MacGyver from the television series of the same name. (This list is not yet comprehensive.) MacGyver employs his resourcefulness and his knowledge of chemistry,… …
