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A cement is a binder, a chemical substance used for construction that sets, hardens, and adheres to other materials to bind them together. Cement is seldom used on its own, but rather to bind sand and gravel together. Cement mixed with fine aggregate produces mortar for masonry, or with sand and gravel, produces concrete. Concrete is the most ...
According to Microsoft telemetry, Solitaire was among the three most-used Windows programs and FreeCell was seventh, ahead of productivity-based applications such as Microsoft Word and Excel. [7] [7] Lost business productivity by employees playing Solitaire became a common concern since the game was included in Windows by default. [8]
Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete, mortar, stucco, and non-specialty grout. It was developed from other types of hydraulic lime in England in the early 19th century by Joseph Aspdin , and is usually made from limestone .
In the game, a large meteoroid called "Impending Dumé" threatens to make a catastrophic collision with the Earth. A team of scientists develop a laser satellite-controlling computer system called MAAX (Meteoroid and Asteroid Exploder) to destroy the meteoroid; however, MAAX develops a personality of its own and refuses to save the planet unless Earth's scientists can solve seven science riddles.
Geopolymer cement is an alternative to ordinary Portland cement and is used to produce Geopolymer concrete by adding regular aggregates to a geopolymer cement slurry. It is made from inorganic aluminosilicate (Al-Si) polymer compounds that can utilise recycled industrial waste (e.g. fly ash , blast furnace slag ) as the manufacturing inputs ...
Ferrocement or ferro-cement [1] is a system of construction using reinforced mortar [2] or plaster (lime or cement, sand, and water) applied over an "armature" of metal mesh, woven, expanded metal, or metal-fibers, and closely spaced thin steel rods such as rebar. The metal commonly used is iron or some type of steel, and the mesh is made with ...
The game's articles were based on Asimov's Chronology of Science and Discovery. [3] The game teaches topics ranging from roller coaster acceleration to planetary orbit to pulleys. [3] The central hub of the program is a reference screen, which displays text panels, pictures, and timeline, and a globe. [3]
In 2013, 70.8 percent of portland cement was sold as ready-mix concrete, such as is delivered in cement-mixer trucks. 11.5 percent was sold dry to contractors and construction materials stores; 11.3 percent was sold to manufacturers of concrete products; 4.6 percent was sold for oil and gas wells, and 1.8 percent was sold to government agencies ...