** Progressive rock, a subgenre of rock music

** Progressive Canadian Party, Canada's new progressive conservative party

** Progressive Conservative Association of Alberta, a conservative political party of the Canadian province of Alberta

** Progressive Conservative Party of Canada, a now-defunct Canadian centre-right conservative political party

** Progressive Conservative Party of Ontario, a conservative political party of the Canadian province of Ontario

** The Progressive Conservative Party of Canada, led by Brian Mulroney, wins 211 seats in the House of Commons, forming the largest majority government in Canadian history.

** U. S. presidential election, 1924: Republican Calvin Coolidge defeats Democrat John W. Davis and Progressive Robert M. LaFollette, Sr.

** Prabhat Ranjan Sarkar, Indian philosopher, author of the socio-economic " Progressive Utilization Theory " ( died 1990 )

** Progressive nonfluent aphasia

** Progressive taxation.

** People's Progressive Party ( The Gambia )

** People's Progressive Party ( Guyana )

** People's Progressive Party ( Malaysia )

** People's Progressive Party ( Solomon Islands )

** ( Chadian Progressive Party ) 1962-1973, ( National Movement for the Cultural and Social Revolution ) 1973-1975, ( National Union for Independence and Revolution ) 1984-1990

** ( Nigerien Progressive Party – African Democratic Rally ) 1960-1974, ( National Movement for the Development of Society ) 1989-1991

** ( Seychelles People's Progressive Front ) 1977-1991

** ( Iraqi Arab Socialist Union ) 1964-1968, ( Arab Socialist Ba ' ath Party of Iraq led the National Progressive Front ) 1968-2003

** ( Arab Liberation Movement ) 1953-1954, ( Arab Socialist Ba ' ath Party of Syria led the National Progressive Front ) 1963-2012

** People ’ s Liberation Army ( PLA ) in Lebanon ( Arabic: Jayish al-Tahrir al-Sha ’ aby ) or Armée de Libération Populaire ( ALP ) in French was / is the militia of the Druze Progressive Socialist Party.

** Teller – Ulam design # The Progressive case – the " secret ", along with a brief account of the case

** History of the Teller – Ulam design # The Progressive case-additional information on the case

** Nova Scotia election: John Buchanan's Progressive Conservatives win a third consecutive majority

** Progressive Labor Party

** The breech refers to the mass of solid metal behind the bottom of the bore extending to the base of the breech and including the base ring ; it also generally refers to the end of the cannon opposite the muzzle, i. e., the location where the explosion of the gunpowder begins as opposed to the opening through which the pressurized gas escapes.

** The neck, a short, narrow piece of metal holding out the knob ; and

** The base of the breech is the metal disk that forms the most forward part of the cascable and rests against the breech itself, right next to the base ring.

** Eddy currents: From Faraday's law of induction, the changing magnetic field can induce circulating loops of electric current in the conductive metal core.

** Øystein Aarseth, Norwegian black metal musician ( b. 1968 )

** Geezer Butler, British heavy metal bassist ( Black Sabbath )

** Tony Iommi, British heavy metal guitarist

** Ozzy Osbourne, English heavy metal singer

** Criss Oliva, American metal guitarist ( Savatage )

** Tuomas Holopainen, Finnish metal keyboardist ( Nightwish )

** Anders Björler & Jonas Björler, heavy metal guitarists

** An Argentine scrap metal dealer raises the Argentine flag in South Georgia.

** Glenn Kaiser, Blues-rock, Heavy metal, Rock, R & B ( Early Days )

** Ionic bond, between metal and nonmetals

** Vedic metal, music genre

** Saint-Germain footbridge, 20th century wood and metal construction to link the plaza with Émile Zola Quay, across the Vilaine River.

** Sodium oxide, an alkali metal oxide

** Added gasoline engines, metal armor, race-cars, and Chassis & Crossbow ( rules for the primitive early history of Car Wars )

** Cations: metals: alkali metal, alkaline earth metal, transition metal

** AA Metal-X-A subline of the AA series aimed for rock and metal drummers.

** Sort ( typesetting ), cast metal type for printing