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  • ...nd vibrations. Lubricants achieve this by several ways. The most common is by forming a physical barrier i.e. a thin layer of lubricant separates the mov ...es & pastes are not effective at heat transfer although they do contribute by reducing the generation of heat in the first place.
    32 KB (4,626 words) - 10:18, 20 September 2010
  • ...e dry paper off the cylinder surface. The crinkle (crêping) is controlled by the strength of the adhesive, geometry of the doctor blade, speed differenc The properties are controlled by [[pulp (paper)|pulp]] quality, [[crêpe|crêping]] and additives (both in b
    13 KB (1,938 words) - 10:18, 20 September 2010
  • ...materials such as aluminum or [[fiber cement siding]]. It is an engineered product, manufactured primarily from [[polyvinyl chloride]], or PVC, resin, giving ...ronmental concerns]] in the processing, manufacturing, and disposal of the product.<ref name="Should We Phase Out PVC">[http://www.windowstoday.co.uk/products
    9 KB (1,431 words) - 10:19, 20 September 2010
  • ...major challenge, met by overlapping, by covering or sealing the joint, or by creating an interlocking joint such as a tongue-and-groove or [[rabbet]]. S ...al (e.g., foam) has been added to the product. It has also been criticized by some fire safety experts for its heat sensitivity. This sensitivity makes i
    15 KB (2,358 words) - 10:19, 20 September 2010
  • ...ght|300px|As shown in this cross-section, many older roadways are smoothed by applying a thin layer of '''asphalt concrete''' to the existing [[portland ...literature. Asphalt concrete pavements are often called just "[[asphalt]]" by laypersons who tend to associate the term concrete with [[Portland cement c
    9 KB (1,283 words) - 10:20, 20 September 2010
  • ...gated zinc/aluminium sheeting to cover an average sized house, transported by motor cycle, Cambodia, photo taken 2006]] ...tals can be recycled over and over without losing any valuable properties. Recycling is very efficient. As an example: recycled Aluminum only requires 5% of the
    13 KB (1,944 words) - 10:20, 20 September 2010
  • ...as the "Dewey Decimal System" of building construction, MasterFormat is a product of the [[Construction Specifications Institute]] (CSI) and Construction Spe ...hs.<ref>Ross Spiegel and Dru Meadows, Green Building Materials: A Guide to Product Selection and Specification, John Wiley & Sons, Inc., New York, 1999.</ref>
    12 KB (1,476 words) - 10:20, 20 September 2010
  • ...ccessdate = 2009-11-12 | postscript =.}}</ref> or 11% [[chromium]] content by mass.<ref>{{cite web|url=http://www.steel.org/AM/Template.cfm?Section=Steel ...sture. This iron oxide film (the rust) is active and accelerates corrosion by forming more iron oxide. Stainless steels contain sufficient chromium to fo
    26 KB (3,618 words) - 10:21, 20 September 2010
  • ...and indiscriminate blasting must be removed. Dimension stone is separated by more precise and delicate techniques, such as diamond wire saws, diamond be ...imension Stone", ASTM, 2007, pp. 11-13 ISBN 0-8031-4104-1| Types of Stones by Group|</ref>
    34 KB (5,137 words) - 10:21, 20 September 2010
  • ...ists mostly of [[iron]] and has a [[carbon]] content between 0.2% and 2.1% by weight, depending on the [[steel grade|grade]]. Carbon is the most common a ...nd weapons. Modern steel is generally identified by various grades defined by assorted [[standards organizations]].
    44 KB (6,419 words) - 10:22, 20 September 2010
  • ...ut is also used more specifically for finished iron goods, as manufactured by a [[blacksmith]] or other smith. It was used in this narrower sense in [[Gr In the 17th, 18th and 19th centuries, wrought iron went by a wide variety of terms according to its form, origin, or quality.
    35 KB (5,392 words) - 10:22, 20 September 2010
  • ...ings-introduction.shtml Repairing Historic Flat Plaster Walls and Ceilings By The Old House Web]</ref> '''Sheetrock''' (a trademark of [[USG Corporation] ...history/hps/TPS/briefs/brief21.htm#Historical%20Background]</ref> Drywall, by contrast to plaster, requires hand finishing only at the fasteners and join
    32 KB (4,776 words) - 10:23, 20 September 2010
  • ...ted runoff should be prevented from entering municipal storm drain systems by using [[Best management practice for water pollution|best management practi ...ng number of existing installations in North America and targeted research by both manufacturers and user agencies, the range of accepted applications se
    17 KB (2,512 words) - 10:23, 20 September 2010
  • ...erals/pubs/commodity/cement/index.html|accessdate=2008-01-16}}<!--Computed by taking 2007 figure for world concrete production, and the mix at http://en. ...ironmental legislation. The most conspicuous of these is [[fly ash]], a by-product of [[coal]]-fired power plants. This significantly reduces the amount of qu
    63 KB (9,167 words) - 10:23, 20 September 2010
  • ...e range of [[oxidation state]]s. Iron and iron [[alloy]]s ([[steel]]s) are by far the most common metals and the most common [[ferromagnetic]] materials ...fusion in high-mass stars, and it is the heaviest stable element produced by stellar fusion because the fusion of iron is the last nuclear fusion reacti
    67 KB (9,808 words) - 10:24, 20 September 2010
  • ...ssing S-number combinations indicate phrases that were deleted or replaced by another phrase.)'' *S5: Keep contents under ... (''appropriate liquid to be specified by the manufacturer'')
    7 KB (1,014 words) - 21:31, 20 September 2010
  • Six minerals are defined by the [[United States Environmental Protection Agency]] as "asbestos" includi ...nsulation materials and have been reported in the past to occur in a few [[product (business)|consumer products]].
    77 KB (11,403 words) - 21:32, 20 September 2010
  • ...]], because many of its compounds are intensely colored. It was discovered by [[Louis Nicolas Vauquelin]] in the mineral [[crocoite]] (''[[lead chromate] ...y viable ore, chromite, by silicothermic or [[aluminothermic reaction]] or by [[Roasting (metallurgy)|roasting]] and [[Leaching (metallurgy)|leaching]] p
    51 KB (7,299 words) - 21:34, 20 September 2010
  • ...ween 0.1 and 0.5 parts per million (ppm). It was discovered simultaneously by [[Friedrich Stromeyer|Stromeyer]] and Hermann, both in Germany, as an impur ...]] (Cd(NO<sub>3</sub>)<sub>2</sub>). The oxidation state +1 can be reached by dissolving cadmium in a mixture of cadmium chloride and [[aluminium chlorid
    34 KB (4,743 words) - 21:34, 20 September 2010
  • ...[[Devon colic]], or '''painter's colic''') is a medical condition caused by increased levels of the [[Heavy metal (chemistry)|heavy metal]] [[lead]] in Elevated lead in the body can be detected by the presence of changes in blood cells visible with a microscope and dense
    90 KB (13,109 words) - 21:36, 20 September 2010

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