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In 1895, both the Liverpool Operative Plasters' Trade, Accident and Burial Society, and the Metropolitan Trades Society of Operative Plasterers merged in, taking membership to 11,000, and a three-month strike in 1898 produced a national agreement on wages and working conditions.
Gerard Doyle became secretary of the union in 1928, and under his leadership it was renamed as the Operative Plasterers Society. Leo Crawford became president in 1938, and brought it to prominence within the Irish trade union movement.
A plasterer is a tradesman who works with plaster, such as forming a layer of plaster on an interior wall or plaster decorative moldings on ceilings or walls. The process of creating plasterwork, called plastering, has been used in building construction for centuries. A plasterer is someone who does a full 4 or 2 years apprenticeship to be ...
Various sized cuts of 1 ⁄ 2 in (13 mm) drywall with tools for maintenance and installation . Drywall (also called plasterboard, dry lining, [1] wallboard, sheet rock, gib board, gypsum board, buster board, turtles board, slap board, custard board, gypsum panel and gyprock) is a panel made of calcium sulfate dihydrate (), with or without additives, typically extruded between thick sheets of ...
Plaster tops or bottom? Plasterers will typically divide a room, (especially a large or high-ceilinged wall) into top and bottom. The one working on top will do from the ceiling's edge to about belly height and work off a milk crate for an 8-foot (2.4 m) ceiling, or work off stilts for 12-foot-high rooms.
Like sand casting, plaster mold casting is an expendable mold process, however it can only be used with non-ferrous materials. It is used for castings as small as 30 g (1 oz) to as large as 7–10 kg (15–22 lb). Generally, the form takes less than a week to prepare. Production rates of 1–10 units/hr can be achieved with plaster molds. [1] [2]
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In August 2005, BPB received a hostile takeover bid from Saint-Gobain, which set a price of 720 pence per share. The BPB initially resisted this strongly, but eventually accepted a revised bid of 775 pence per share, which valued the company at £3.9billion (US$6.7 billion). [4] BPB was delisted in December 2005.