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  2. Volunteer fire department - Wikipedia

    en.wikipedia.org/wiki/Volunteer_fire_department

    For example, in the city of Kingston Ontario (population 130,000), of the ten stations operated by the Kingston Fire and Rescue Service, three are staffed with career firefighters, two are composite and five are wholly volunteer. There are an estimated 127,000 volunteer firefighters across the country. [6]

  3. TFO - Wikipedia

    en.wikipedia.org/wiki/TFO

    TFO is a Canadian French language educational television channel and media organization serving the province of Ontario.It is operated by the Ontario French-language Educational Communications Authority (OTELFO), a Crown corporation owned by the Government of Ontario and trading as Groupe Média TFO.

  4. List of air show accidents and incidents in the 20th century

    en.wikipedia.org/wiki/List_of_air_show_accidents...

    September 5 – Canadian International Air Show (Toronto, Ontario, Canada) – Royal Canadian Air Force Avro Canada CF-100 Mk.4B 18455 pulled up, flamed out, went into inverted spin and crashed. F/O's H.R. Norris and R.C. Dougall were killed. [186]

  5. October 1924 - Wikipedia

    en.wikipedia.org/wiki/October_1924

    Voters in the Canadian province of Ontario rejected a proposal to end the prohibition of sales of liquor. By a margin of 51.5% to 48.5%, chose to continue the Ontario Temperance Act. [113] [114] Born: Arthur Brittenden, British newspaper editor who built the London tabloid The Sun into the nation's bestselling newspaper; in Leeds (d. 2015) [115]

  6. Angle of view (photography) - Wikipedia

    en.wikipedia.org/wiki/Angle_of_view_(photography)

    In 1916, Northey showed how to calculate the angle of view using ordinary carpenter's tools. [2] The angle that he labels as the angle of view is the half-angle or "the angle that a straight line would take from the extreme outside of the field of view to the center of the lens;" he notes that manufacturers of lenses use twice this angle.

  7. Electron backscatter diffraction - Wikipedia

    en.wikipedia.org/wiki/Electron_backscatter...

    An electron backscatter diffraction pattern of monocrystalline silicon, taken at 20 kV with a field-emission electron source. Electron backscatter diffraction (EBSD) is a scanning electron microscopy (SEM) technique used to study the crystallographic structure of materials.

  8. Christian eschatology - Wikipedia

    en.wikipedia.org/wiki/Christian_eschatology

    Each of the gates is made of a single pearl, and there is an angel standing in each one. The wall also has twelve foundations which are adorned with precious stones, and upon the foundations are written the names of the twelve apostles. The gates and foundations are often interpreted [by whom?] as symbolizing the people of God before and after ...

  9. Graphene - Wikipedia

    en.wikipedia.org/wiki/Graphene

    Graphene (/ ˈ ɡ r æ f iː n /) [1] is a carbon allotrope consisting of a single layer of atoms arranged in a honeycomb planar nanostructure. [2] [3] The name "graphene" is derived from "graphite" and the suffix -ene, indicating the presence of double bonds within the carbon structure.