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Petrozavodsk

(Encyclopedia)Petrozavodsk pyĕtˌrəzəvôtskˈ [key], city (1989 pop. 269,500), capital of Karelia, NW European Russia, a port on Lake Onega. It produces lumbering equipment and has shipyards, fish canneries, saw...

Picayune

(Encyclopedia)Picayune pĭkəyo͞onˈ [key], city (1990 pop. 10,633), Pearl River co., S Miss., near the Pearl River and the La. line; inc. 1904. It is the trade, processing, and shipping center for an agricultural...

San Leandro

(Encyclopedia)San Leandro săn lēănˈdrō [key], city (1990 pop. 68,223), Alameda co., W Calif., on San Francisco Bay; inc. 1872. Metal, wood, and paper products; chemicals; leather goods; foods and beverages; me...

Carrollton

(Encyclopedia)Carrollton. 1 City (2020 pop. 26,738), seat of Carroll co., W Ga., on the Little Tallapoosa River; inc. 1897. Manufacturing includes fiber-optic ...

Port Hueneme

(Encyclopedia)Port Hueneme wīˌnēˈmē [key], city (1990 pop. 20,319), Ventura co., S Calif., on the Pacific coast; founded 1870, inc. 1948. It has an artificial deep-sea harbor and is the site of a huge naval co...

Pottstown

(Encyclopedia)Pottstown, borough (1990 pop. 21,831), Montgomery co., SE Pa., on the Schuylkill River; settled c.1700, inc. 1815. The borough's industries include plastic and metal products, furniture, electronic an...

Vista

(Encyclopedia)Vista vĭsˈtə [key], uninc. city (1990 pop. 71,872), San Diego co., SW Calif., near the Pacific coast, in an agricultural and resort area; inc. 1963. Its manufactures include metal and plastic produ...

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 +...

tungsten

(Encyclopedia)tungsten tŭngˈstən [key] [Swed.,=heavy stone], metallic chemical element; symbol W; at. no. 74; at. wt. 183.84; m.p. about 3,410℃; b.p. 5,660℃; sp. gr. 19.3 at 20℃; valence +2, +3, +4, +5, or...

screw

(Encyclopedia)screw, simple machine consisting essentially of a solid cylinder, usually of metal, around which an inclined plane winds spirally, either clockwise or counterclockwise. It is used to fasten one object...