welding furnace
41List of Alien characters — This article is about characters in the Alien franchise. For a list of extraterrestrials which have appeared in various works of fiction, see List of fictional extraterrestrials. This article lists characters and actors in the Alien series of… …
42Damascus steel — For Damascus Twist barrels, see Skelp. For the album of the same name, see Damascus Steel (album). Close up of a 16th century Iranian crucible forged Damascus steel sword Damascus steel was a term used by several Western cultures from the… …
43Synthetic diamond — Synthetic diamonds of various colors grown by the high pressure high temperature technique Synthetic diamond is diamond produced in a technological process; as opposed to natural diamond, which is created in geological processes. Synthetic… …
44Industrial process — Industrial processes are procedures involving chemical or mechanical steps to aid in the manufacture of an item or items, usually carried out on a very large scale.Industrial processes are the key components of heavy industry.Most processes make… …
45Hydrogen embrittlement — (or hydrogen grooving) is the process by which various metals, most importantly high strength steel, become brittle and crack following exposure to hydrogen. Hydrogen cracking can pose an engineering problem especially in the context of a… …
46Stewarts & Lloyds — was a steel tube manufacturer with its headquarters based at Corby, Northamptonshire, England. The company was created in 1903 by the amalgamation of two of the largest iron and steel makers in Britain, A. J. Stewart Menzies Ltd, Coatbridge,… …
47copper 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… …
48Elliott Cresson Medal — given to Emile Berliner in 1913 Presented by Franklin Institute Country US …
49Chemical reaction — Chemical reactions redirects here. For the 2007 television episode, see Chemical Reactions (Men in Trees). A thermite reaction using iron(III) oxide. The sparks …
50Sword — For other uses, see Sword (disambiguation) and Swords (disambiguation). Swiss longsword, 15th or 16th century A sword is a bladed weapon (edged weapon) used primarily for cutting or thrusting. The precise definition of the term varies with the… …
