furnace plants
21Fernald Feed Materials Production Center — The Fernald Feed Materials Production Center (commonly referred to simply as Fernald) was a uranium processing facility located near the rural town of Fernald, in Hamilton County, Ohio, about 20 miles northwest of Cincinnati, which fabricated… …
22Death Valley National Park — IUCN Category II (National Park) …
23Lackawanna 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… …
24Steel mill — Blast furnaces of Třinec Iron and Steel Works Interior of a steel mill …
25zinc processing — Introduction preparation of the ore for use in various products. Zinc (Zn) is a metallic element of hexagonal close packed (hcp) crystal structure and a density of 7.13 grams per cubic centimetre. It has only moderate hardness and can …
26Direct reduced iron — (DRI), also called sponge iron,[1] is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal. The reducing gas is a mixture majority of hydrogen (H2) and carbon… …
27boiler — boilerless, adj. /boy leuhr/, n. 1. a closed vessel or arrangement of vessels and tubes, together with a furnace or other heat source, in which steam or other vapor is generated from water to drive turbines or engines, supply heat, process… …
28coal 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… …
29technology, 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… …
30Metro Parks, Serving Summit County — is a Metroparks system serving the citizens of Summit County, Ohio by managing 10,500 acres (4,200 ha) in 14 developed parks, six conservation areas and more than 125 miles (201 km) of trails. The park district is fully supported by a… …
