alloyed steel
121copper processing — Introduction use of smelting or leaching, usually followed by electrolytic refining or recovery, to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of copper and of its… …
122Gold — This article is about the metal. For the color, see Gold (color). For other uses, see Gold (disambiguation). platinum ← gold → mercury …
123ore — /awr, ohr/, n. 1. a metal bearing mineral or rock, or a native metal, that can be mined at a profit. 2. a mineral or natural product serving as a source of some nonmetallic substance, as sulfur. [bef. 900; conflation of ME ore, OE ora ore,… …
124öre — /ue rddeuh/, n., pl. öre. 1. a bronze coin of Norway, the 100th part of a krone. 2. a zinc or bronze coin of Denmark, the 100th part of a krone. 3. a bronze coin of Sweden, the 100th part of a krona. 4. a fractional currency of the Faeroe Islands …
125gold processing — Introduction preparation of the ore for use in various products. For thousands of years the word gold has connoted something of beauty or value. These images are derived from two properties of gold, its colour and its chemical stability.… …
126lead 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… …
127Western concert flute — Flute Other names Transverse flute, Boehm flute, C flute Classification Woodwind Wind Aerophone Playing ran …
128Nuclear fuel — Process …
