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Wałbrzych

(Encyclopedia)Wałbrzych välˈbzhĭkh [key], Ger. Waldenburg, city (1992 est. pop. 141,300), Dolnośląskie prov., SW Poland. Coal mining, chemical production, metallurgy, and textile milling are the chief economi...

Carolina

(Encyclopedia)Carolina kärōlēˈnä [key], city, Puerto Rico. Located 7 mi (11 km) SE of San Juan, it is a ...

Castleford

(Encyclopedia)Castleford kăsˈəlfərd [key], town, Wakefield metropolitan district, central England, at the ...

Aiken

(Encyclopedia)Aiken, city (2020 pop. 32,025), seat of Aiken co., W S.C.; inc. 1835. A resort and polo center and a training area for Thoroughbreds, Aiken has apparel, printing and publishing, drug, and ...

Świdnica

(Encyclopedia)Świdnica shvēdnēˈtsä [key], Ger. Schweidnitz, town (1993 est. pop. 64,200), Dolnośląskie prov., SW Poland. It has metal and chemical works, textile mills, sugar refineries, and various manufact...

Sterlitamak

(Encyclopedia)Sterlitamak styĭrlyētəmäkˈ [key], city (1989 pop. 247,000), Bashkortostan, E European Russia, on the Belaya River. It is a port and the center of a chemical complex. Milling and construction equi...

Bexley, borough, Greater London, England

(Encyclopedia)Bexley, outer borough of Greater London, SE England. Bexley has many parks and open areas. Within the borough, Erith and Crayford are industrial centers...

Levi, Primo

(Encyclopedia)Levi, Primo prēˈmō lāˈvē [key], 1919–87, Italian writer. A chemist of Jewish descent, Levi was sent to the concentration camp at Auschwitz during World War II. His first memoir, If This Is a M...

thallium

(Encyclopedia)thallium thălˈēəm [key], metallic chemical element; symbol Tl; at. no. 81; interval in which at. wt. ranges 204.382–204.385; m.p. 303.5℃; b.p. about 1,457℃; sp. gr. 11.85 at 20℃; valence +...

sediment

(Encyclopedia)sediment, mineral or organic particles that are deposited by the action of wind, water, or glacial ice. These sediments can eventually form sedimentary rocks (see rock). Sediments form sedimentary ...