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• art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …   Universalium

• Metals conservation — The bronze apoxyomenos, ,dated between 1st and 2nd century BC,found and recovered from Adriatic sea near small island Vele Oryule,near island Loshiny, example of archaeological metals conservation, Croatia Metals conservation, or more precisely… …   Wikipedia

• nitrogen group element — ▪ chemical elements Introduction  any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… …   Universalium

• Lead poisoning — Classification and external resources An X ray demonstrating the characteristic finding of lead poisoning, dense metaphyseal lines. ICD 10 T …   Wikipedia

• Depleted uranium — The DU penetrator of a 30 mm round[1] Depleted uranium (DU; also referred to in the past as Q metal, depletalloy, or D 38) is uranium with a lower content of the fissile isotope U 235 than natural uranium (natural uranium is about 99.27% uranium… …   Wikipedia

• Road — This article is about a route, thoroughfare or way that supports travel by a means of conveyance. For a place outside a harbor where a ship can lie at anchor, see Roadstead. For public roads, see Highway. For other routes, see thoroughfare. For… …   Wikipedia

• Prostitution au Tibet — Selon le gouvernement tibétain en exil, la prostitution en tant qu industrie était pratiquement inexistante avant l occupation chinoise du Tibet[1]. Selon l Association des femmes tibétaines en exil, « Dans le passé, au Tibet, il n y avait… …   Wikipédia en Français

• Penny (United States coin) — Cent (Penny) United States Value 0.01 of a U.S. dollar Mass  2.5 g  (0.080 troy oz) Diameter  19.05 mm  (0.750 in) Thickness …   Wikipedia