fine furnace black
41environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
42List of National Historic Sites of Canada in Ontario — Map of all coordinates from Google Map of all coordinates from Bing Export all coordinates as KML …
43rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …
44lead processing — Introduction preparation of the ore for use in various products. Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… …
45METALS AND MINING — In the Bible Six metals are mentioned in the Bible and in many passages they are listed in the same order: gold, silver, copper, iron, tin, and lead. Antimony is also mentioned. The metals are referred to in various contexts, including methods of …
46Phosphorus — This article is about the chemical element. For other uses, see Phosphorus (disambiguation). silicon ← phosphorus → sulfur …
47Death Valley — For other uses, see Death Valley (disambiguation). Death Valley Satellite photo of Death Valley …
48Chemetco — Former type Private Industry Recycling Fate Bankruptcy Founded Illinois, United States June 9, 1969 (1969 06 09) …
49metalwork — metalworker, n. /met l werrk /, n. objects made of metal. [1840 50; METAL + WORK] * * * Useful and decorative objects fashioned of various metals. The oldest technique is hammering. After с 2500 BC, casting was also used, molten metal being… …
50chemical industry — Introduction complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Although the chemical industry may be described simply as the industry that uses chemistry and… …
