Compact disc manufacturing — is the process by which commercial compact discs (CDs) are replicated in mass quantities using a master version created from a source recording. This may be either in audio form (CD Audio) or data form (CD ROM). This process is used in the… … Wikipedia
Compact Disc manufacturing — A compact disc in its jewel case. Compact disc manufacturing is the process by which commercial compact discs (CDs) are replicated in mass quantities using a master version created from a source recording. This may be either in audio form (CD… … Wikipedia
Activated carbon — Activated carbon, also called activated charcoal, activated coal or carbo activatus, is a form of carbon that has been processed to make it extremely porous and thus to have a very large surface area available for adsorption or chemical reactions … Wikipedia
zinc processing — Introduction preparation of the ore for use in various products. Zinc (Zn) is a metallic element of hexagonal close packed (hcp) crystal structure and a density of 7.13 grams per cubic centimetre. It has only moderate hardness and can … Universalium
building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium
environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations … Universalium
Coating — is a covering that is applied to the surface of an object, usually referred to as the substrate. In many cases coatings are applied to improve surface properties of the substrate, such as appearance, adhesion, wetability, corrosion resistance,… … Wikipedia
Royal Canadian Mint — Infobox Government agency agency name = Royal Canadian Mint logo width = 250px logo caption = seal caption = formed = January 2, 1908 jurisdiction = Federal government of Canada headquarters = Ottawa, Ontario employees = Approx. 700 (2006) [… … Wikipedia
cadmium — cadmic, adj. /kad mee euhm/, n. a white, ductile divalent metallic element resembling tin, used in plating and in making certain alloys. Symbol: Cd; at. wt.: 112.41; at. no.: 48; sp. gr. 8.6 at 20°C. [1815 25; < NL, equiv. to L cadm(ia) calamine… … Universalium
metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… … Universalium
Aircraft of the Battle of Britain — The Battle of Britain (German: [http://de.wikipedia.org/wiki/Luftschlacht um England Luftschlacht um England ] ) was an effort by the German Luftwaffe during during the summer and autumn, 1940 to gain air superiority over the United Kingdom in… … Wikipedia