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  • ...ammers), and if improperly protected or maintained they are susceptible to water damage. Traditionally, rammed earth buildings are found on every continent ...with increased curing time, and exposed walls should be sealed to prevent water damage.
    15 KB (2,218 words) - 10:23, 20 September 2010
  • ...[[granite]], plus a fine aggregate such as [[sand]]), [[water (properties)|water]], and [[Chemistry|chemical]] admixtures. ...reaction|chemical process]] known as [[mineral hydration|hydration]]. The water reacts with the cement, which bonds the other components together, eventual
    63 KB (9,167 words) - 10:23, 20 September 2010
  • ...[friction]]. Monel metal is dense, and hence parts that are made of it are heavy, but this factor had to be traded-off against the fact that Monel metal ret ...les for anchor rods, Monel is used for water and fuel tanks, and for under water applications. It is also used for propeller shafts and for keel bolts.
    9 KB (1,437 words) - 10:23, 20 September 2010
  • ...anhydrous cement powder is mixed with water produces hydrates that are not water-soluble. Non-hydraulic cements (e.g. lime and [[gypsum]] [[plaster]]) must ...]]) used to bind the aggregate materials of concrete. Upon the addition of water and/or additives the cement mixture is referred to as concrete, especially
    30 KB (4,351 words) - 10:23, 20 September 2010
  • ...ery dry mix of gravel, sand, cement and color. Since there is very little water, the mixture is moved on conveyor belts and then funneled into the paver mo ...vibrated at the same time. The high pressure and the vibration causes the water to set the cement and creates a bind between the aggregate.
    8 KB (1,465 words) - 10:23, 20 September 2010
  • ...ners and edges. The sand does not easily wash out with rain or garden hose water and a sealer can be spread on to further lock the sand. ...This allows for ground water recharge and less stress on over taxed storm water systems during high rain conditions. Preparation and base material is not t
    4 KB (610 words) - 10:23, 20 September 2010
  • ...e largest scale in industry are [[iron(II) sulfate]] (FeSO<sub>4</sub>ยท7[[Water of crystallization|H<sub>2</sub>O]]) and [[iron(III) chloride]] (FeCl<sub>3
    67 KB (9,808 words) - 10:24, 20 September 2010
  • ...ems of [[tree]]s (and other woody plants). In a living tree it transfers [[water]] and [[nutrients]] to the [[leaves]] and other growing tissues, and has a ...pared in the leaves. However, by the time they become competent to conduct water, all xylem tracheids and vessels have lost their cytoplasm and the cells ar
    41 KB (6,609 words) - 10:24, 20 September 2010
  • ...rt, A. G. Horgan, M. Brechbiel: ''Benzidine rearrangements. 16. The use of heavy-atom kinetic isotope effects in solving the mechanism of the acid-catalyzed ...nzidine is poorly soluble in cold water but can be recrystallized from hot water, where it crystallises as the monohydrate. It is dibasic, the diprotonated
    5 KB (698 words) - 13:10, 20 September 2010
  • ...auses of industrial injury are poor [[ergonomics]], [[manual handling]] of heavy loads, misuse or failure of equipment, exposure to general hazards, inadequ ...aterials, work on, near or under [[water]], work on, near or under weak or heavy structures.
    3 KB (480 words) - 21:30, 20 September 2010
  • ...tion]] methods include sealing concrete slab floors, basement foundations, water drainage systems, or by increasing ventilation.<ref>{{cite web | url = http ...dander and plant pollen. Moisture buildup inside buildings may arise from water penetrating compromised areas of the building envelope or skin, from plumbi
    30 KB (4,388 words) - 21:31, 20 September 2010
  • *Erected over or adjacent to [[water]] in circumstances such that there would be a risk of [[drowning]]; Wells - Any of the following incidents in relation to a well, other than a [[water well]]:
    24 KB (3,474 words) - 21:31, 20 September 2010
  • ...or=Austin CC, Ecobichon DJ, Dussault G, Tirado C|title=Carbon monoxide and water vapor contamination of compressed breathing air for firefighters and divers ...tal exposure. Carboxyhemoglobin blood saturations may range up to 8-10% in heavy smokers or persone extensively exposed to automotive exhaust gases. In symp
    71 KB (9,723 words) - 21:31, 20 September 2010
  • ...s can cause a rapid rise in temperature, resulting in explosive boiling of water. The shock wave from the explosion can subsequently cause damage relatively ...many kilovolts in higher powered lasers. This, coupled with high pressure water for cooling the laser and other associated electrical equipment can create
    40 KB (6,222 words) - 21:31, 20 September 2010
  • ...e. In 1837, British academic [[James Couper]] noted an association between heavy exposures to manganese in mines with a form of [[Parkinson's Disease]].<ref ...s; it is responsible for the terminal [[Oxygen evolution|photooxidation of water]] during the [[light reactions]] of [[photosynthesis]] and has a metalloenz
    44 KB (6,128 words) - 21:32, 20 September 2010
  • ...e [[Southwest Airlines Flight 1248]] slid off the end of the [[runway]] in heavy snow conditions is just one of many examples. Just as on a [[road]], [[ice] ...uch as military [[Fighter aircraft|jet fighters]], are at higher risk than heavy multi-engine ones. This is due to the fact that the fan of a high-bypass [[
    53 KB (7,764 words) - 21:33, 20 September 2010
  • Benefits of nanotechnology include improved manufacturing methods, water purification systems, energy systems, [[Human enhancement|physical enhancem ...ronmentally benign material abundance for all by providing universal clean water supplies
    38 KB (5,196 words) - 21:33, 20 September 2010
  • .../?id=9yzN-QGag_8C|title = Mercury, Cadmium, Lead: Handbook for Sustainable Heavy Metals Policy and Regulation|first = Michael J.|last = Scoullos|coauthors = *The [[pressurized water reactor]] designed by [[Westinghouse Electric Company]] uses an alloy consi
    34 KB (4,743 words) - 21:34, 20 September 2010
  • ...ical condition caused by increased levels of the [[Heavy metal (chemistry)|heavy metal]] [[lead]] in the body. Lead interferes with a variety of body proces ...olicies (e.g. laws that ban lead in products or reduce allowable levels in water or soil).
    90 KB (13,109 words) - 21:36, 20 September 2010
  • ...and pathology caused by increased levels of the [[Heavy metal (chemistry)|heavy metal]] [[lead]] in animal's body. Those routes include contaminated air, water, soil, and food, and also, for birds ingestion of grit (lead shots, lead bu
    9 KB (1,263 words) - 21:36, 20 September 2010

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