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  2. Technical drawing tool - Wikipedia

    en.wikipedia.org/wiki/Technical_drawing_tool

    The templates also provide the symbols for thermal insulation. A geometry template is a piece of clear plastic with cut-out shapes and/or curves for use mainly by primary and secondary school students. Such templates often also include length and angle measurements.

  3. Compass (drawing tool) - Wikipedia

    en.wikipedia.org/wiki/Compass_(drawing_tool)

    A beam compass and a regular compass Using a compass A compass with an extension accessory for larger circles A bow compass capable of drawing the smallest possible circles. A compass, also commonly known as a pair of compasses, is a technical drawing instrument that can be used for inscribing circles or arcs.

  4. Paper size - Wikipedia

    en.wikipedia.org/wiki/Paper_size

    The advantages of basing a paper size upon an aspect ratio of were noted in 1786 by the German scientist and philosopher Georg Christoph Lichtenberg. [3] He also observed that some raw sizes already adhered to that ratio so that when a sheet is folded, the length to width ratio does not change.

  5. Circle packing - Wikipedia

    en.wikipedia.org/wiki/Circle_packing

    A compact binary circle packing with the most similarly sized circles possible. [7] It is also the densest possible packing of discs with this size ratio (ratio of 0.6375559772 with packing fraction (area density) of 0.910683). [8] There are also a range of problems which permit the sizes of the circles to be non-uniform.

  6. Geometry template - Wikipedia

    en.wikipedia.org/wiki/Geometry_template

    A geometry template is a piece of clear plastic with cut-out shapes for use in mathematics and other subjects in primary school through secondary school. It also has various measurements on its sides to be used like a ruler .

  7. Circle - Wikipedia

    en.wikipedia.org/wiki/Circle

    A circle is a shape consisting of all points in a plane that are at a given distance from a given point, the centre. The distance between any point of the circle and the centre is called the radius. The length of a line segment connecting two points on the circle and passing through the centre is called the diameter.

  8. AOL Mail

    mail.aol.com/d?reason=invalid_cred

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Foolscap folio - Wikipedia

    en.wikipedia.org/wiki/Foolscap_folio

    A comparison of the A4 and Foolscap folio papersize. Foolscap folio, commonly contracted to foolscap or cap or folio and in short FC, is paper cut to the size of 8.5 × 13.5 in (216 × 343 mm) for printing or to 8 × 13 in (203 × 330 mm) for "normal" writing paper (foolscap). [1]