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...welding]], using carbon electrodes. The advances in arc welding continued with the invention of metal electrodes in the late 1800s by a Russian, Nikolai S ...der Cammell Laird started construction of merchant ship, the ''Fullagar'', with an entirely welded hull;<ref>[http://www.rnecmanadon.com/about/timeline.php

...s [[High-Low System|High-Low Propulsion System]] which keeps recoil forces with in the boundaries of infantry weapon. Presented on this page is a basic ove ...he M441 can be seen as a developmental improvement over the M381, probably with an improved filler and/or fuze mechanism. The M386/M406 differed from the

...esistant over time, and for this reason AZT is usually used in conjunction with other NRTIs and anti-viral drugs. In this form, AZT is used as an ingredien ...a universal cure for cancer. These efforts eventually culminated in the "[[War on Cancer]]" in the 1970s.

...any in 1827 by the pharmacy which became the pharmaceutical compary Merck, with morphine sales being a large part of their early growth. <ref>[[Opium]]</re ...hical Roots of US Drug Policy - Soldier's Disease and Addicts in the Civil War]</ref><ref>[http://www.amusingfacts.com/facts/Detail/soldiers-disease-morph

...ped out of school at age 14 to become a copy boy for the ''New York Sun'', with the ultimate aspiration to become a journalist.<ref name="NYT Obit" /><ref ...ded reading and discussion of difficult works (as judged for each grade). With [[Max Weismann]], he founded The Center for the Study of The Great Ideas.

...concluded: "In aggregate the human epidemiological evidence is consistent with increased risk of birth defects in offspring of persons exposed to DU."<ref ...ssible to design [[Pressurized Heavy Water Reactor|civilian power reactors with unenriched fuel]], but only about 10 percent of reactors ever built utilize

...r [[Etymology of Rus and derivatives|Rus']]. Ruthenium is found associated with [[platinum]] ores. Ruthenium is a minor component in these ores and therefo ...days, ¹⁰³Ru with a half-life of 39.26 days and ⁹⁷Ru with a half-life of 2.9 days.<ref name=n1/><ref name=n2/>

...der Khalili]]. The technique uses layered long fabric tubes or bags filled with [[adobe]] to form a compression structure.[http://www.greenhomebuilding.com ...filled sacks to create bunkers and barriers for protection prior to World War I. In the last century other earthbag buildings have undergone extensive r

...iased = May 2010|copyedit=May 2010|reason=see [[Talk:Rammed earth#Multiple issues]]}} ...that has suitable proportions of [[sand]], gravel and [[clay]] (sometimes with an added stabilizer) into an externally supported frame, creating a solid w

...tions. The dry cleaning industry is now{{when?}} beginning to replace perc with other chemicals and/or methods. At this time, dry-cleaning was carried-out During the 1970s and 1980s, Spencer machines were extremely popular, with virtually every branch of ''Bollom'' possessing either a Spencer Minor or a

[[Image:Asbestos with muscovite.jpg|right|thumb|200px|Fibrous asbestos on [[muscovite]]]] ...cancer]], [[mesothelioma]] (a formerly rare [[cancer]] strongly associated with exposure to asbestos and fiber glass.), and [[asbestosis]] (a type of [[pne

{{quote|Ergonomics (or human factors) is the scientific discipline concerned with the understanding of interactions among humans and other elements of a syst Ergonomics is concerned with the ‘fit’ between people and their technological tools and environments

...in a technical sense. Arsenic occurs in many minerals, mainly associated with sulfur and metals. Arsenic and its compounds are mainly used as an alloyin ...Yellow arsenic is produced by rapid cooling of arsenic vapour, for example with liquid nitrogen. It is rapidly transformed into the grey arsenic by light.

...that abandoned chromium production sites need [[Environmental remediation|environmental cleanup]]. ...is stable against acids. The opposite effect can be achieved by treatment with a strong reducing reactant that destroys the protective oxide layer on the

'''Lead''' is a main-group [[Chemical element|element]] with symbol '''Pb''' ({{lang-la|plumbum}}) and [[atomic number]] 82. Lead is a s ...es in air to produce the commonly observed dull luster normally associated with lead. It is a [[density|dense]], [[ductile]], very soft, highly malleable,

...only used as an industrial [[solvent]]. It is a clear non-flammable liquid with a sweet smell. ...when used with soda lime, and evidence of hepatotoxicity as had been found with chloroform.

'''Environmental terrorism''' is the unlawful destruction of [[Resource (types and developme == Defining environmental terrorism ==

...rs located within existing [[United States Environmental Protection Agency|Environmental Protection Agency]] air filters which monitor the quality of the air. Resul ...ref name=fas/> The original 31 city program cost $60 million to implement, with a proposed expansion in 2005 to cost $118 million.<ref>[http://www.ndu.edu/

...rtment of Justice]]''/</ref> By that time Hassoun had already been charged with perjury, a weapons offense, and other offenses. ...s sharing common ideals and tactics, "with which the United States is at [[war]]";

...):279–282.</ref> When spores are inhaled, ingested, or come into contact with a skin lesion on a host they may reactivate and multiply rapidly. ...ng electron micrograph]] shows [[spleen|splenic tissue]] from a [[monkey]] with inhalational anthrax; featured are rod-shaped [[bacilli]] (yellow) and an [