Tools+and+materials
61Blanking and piercing — Blanking versus piercing Blanking and piercing are shearing processes in which a punch and die are used to modify webs. The tooling and processes are the same between the two, only the terminology is different: in blanking the punched out piece… …
62Center for History and New Media — infobox University name= Center for History and New Media location= Fairfax, VA established= 1994 website= [http://chnm.gmu.edu chnm.gmu.edu] The Center for History and New Media (CHNM) at George Mason University was established by Roy Rosenzweig …
63Piping and plumbing fittings — Fittings are used in pipe and plumbing systems to connect straight pipe or tubing sections, to adapt to different sizes or shapes, and to regulate fluid flow, for example. Fittings, especially noncommon types, can be expensive, and require time,… …
64Air Force Operational Test and Evaluation Center — Infobox Military Unit unit name= Air Force Operational Test and Evaluation Center caption= Air Force Operational Test and Evaluation Center emblem dates= 1 January 1974 country= United States allegiance= branch= United States Air Force type=… …
65chert and flint — Very fine grained quartz, a silica mineral with minor impurities. Flint is gray to black and nearly opaque (translucent brown in thin splinters). Opaque, dull, whitish to pale brown or gray specimens are called simply chert. Chert and flint… …
66The Artist's Handbook of Materials and Techniques — is a reference book by Ralph Mayer. Intended by the author for use by professional artists, it deals mostly with the chemical and physical properties of traditional painterly materials such as oil, tempera, and solvents. It also has extensive… …
67DHS Science and Technology Border and Maritime Security Division — The Borders and Maritime Security Division is a division within the United States Department of Homeland Security that develops and transitions tools and technologies that improve the security of our nation s borders and waterways, without… …
68art and architecture, Egyptian — Introduction the ancient architectural monuments, sculptures, paintings, and decorative crafts produced mainly during the dynastic periods of the first three millennia BC in the Nile valley regions of Egypt and Nubia. The course of art in… …
69harbours and sea works — Introduction harbour also spelled harbor any part of a body of water and the manmade structures surrounding it that sufficiently shelters a vessel from wind, waves, and currents, enabling safe anchorage or the discharge and loading of… …
70fire prevention and control — the prevention, detection, and extinguishment of fires, including such secondary activities as research into the causes of fire, education of the public about fire hazards, and the maintenance and improvement of fire fighting equipment.… …
