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Grain Elevators

Grain elevators, which have been variously referred to as prairie icons, prairie cathedrals or prairie sentinels, are a visual symbol of western Canada. Numbering as many as 5,758 in 1933, elevators have dominated the prairie landscape for more than a century with every hamlet, village and town boasting its row of them, a declaration of a community's economic viability and a region's agricultural strength.

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Canada Science and Technology Museum

The Canada Science and Technology Museum (prior to May 2000 known as the National Museum of Science and Technology) collects and preserves objects and data relating to scientific and technological history and development in Canada, carries out research, and sponsors exhibits and public programs.

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Peavey

The peavey is a lever for handling logs It was designed in 1858 and named after its inventor Joseph Peavey, who was a Maine blacksmith. The peavey, which is a refinement of the earlier cant hook, greatly facilitated the down

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Central Experimental Farm

The initial purpose of CEF and its 4 sister locations across Canada was to help resolve farm production matters. This early grouping has grown into a strong national network of 19 sites that include multiple locations, sub stations and field sites in each of the Canadian provinces.

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Mineral Naming

Each mineral species is identified by its own appellation, and names have been assigned since antiquity. While there are only some 3000 valid mineral species, nearly 20 000 names occur in the literature. This is partly because researchers working independently have given different names to the same mineral, and partly because distinct names have been applied to minerals that later proved to be varieties or mixtures of already known species. Today a much better control is exercised by the Commission on New Minerals and New Mineral Names established in 1959 by the International Mineralogical Association.

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Gasoline Stations

Motor vehicle registration figures appear for the first time in The Canada Year Book for 1916-17. It was in this year that the Year Book accorded motor vehicles a new status as the most important means of transportation in Canada.

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Semiconductors and Transistors

Semiconductors, often called integrated circuits, chips or microchips, are essential components of all computers and are used in a wide variety of other devices including telecommunications equipment, consumer electronics, home appliances, and even automobiles.

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Astronomy

Modern astronomy, however, is more concerned with the physical and chemical nature of matter beyond Earth, where conditions of temperature and pressure, and gravitational and magnetic fields allow astronomers to observe matter under extremes unattainable in terrestrial laboratories.

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Platinum

Platinum (Pt) is the best known of the 6 greyish-white, metallic, platinum group elements, which also include palladium (Pd), iridium (Ir), rhodium (Rh), osmium (Os) and ruthenium (Ru). Platinum and palladium are more commonly used than the other elements in the group.

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Glass

The first known Canadian glass factory or glasshouse, the Mallorytown Glass Works in Upper Canada, began operation in 1839 and closed in 1840. Glassmaking involved a large investment in raw materials, equipment and salaries.

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Medical Records

When a patient receives medical treatment or other health care, there is normally a legal and ethical obligation on the health-care provider (as well as the health-care facility, such as a hospital) to keep a detailed written record of the patient's treatment.