non-safety-lamp mine
1Red Dog mine — Infobox Settlement name = Red Dog mine pushpin pushpin label position = left pushpin map caption = Location of the Red Dog mine in Alaska pushpin mapsize = subdivision type = Country subdivision name = United States subdivision type1 = State… …
2Asphyxiant gas — dablink|For main article see Asphyxia. An asphyxiant gas is a non toxic or minimally toxic gas which dilutes or displaces the oxygen containing atmosphere, leading to death by asphyxiation if breathed long enough. Toxic gases in large enough… …
3Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… …
4Topic outline of mining — For a more comprehensive list, see the List of mining topics. Mining is the extraction of valuable minerals or other geological materials from the earth, usually (but not always) from an ore body, vein or (coal) seam. Materials recovered by… …
5Geordie — (pronEng|ˈdʒɔrdi) is a regional nickname for a person from the Tynesidecite web|url=http://www.askoxford.com/concise oed/geordie?view=uk|title=AskOxford.com a person from Tyneside|accessdate=2007 09 01] region of England, or the name of the… …
6Humphry Davy — Sir Humphry Davy, Bt Portrait by Henry Howard, 1803 Born …
7technology, 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… …
8Denton, Greater Manchester — Coordinates: 53°27′19″N 2°06′44″W / 53.4554°N 2.1122°W / 53.4554; 2.1122 …
9Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …
10History of coal mining — Due to its abundance, coal has been mined in various parts of the world throughout history and continues to be an important economic activity today. Compared to wood fuels, coal yields a higher amount of energy per mass and could be obtained in… …
