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  2. List of PDF software - Wikipedia

    en.wikipedia.org/wiki/List_of_PDF_software

    As with Adobe Acrobat, Nitro PDF Pro's reader is free; but unlike Adobe's free reader, Nitro's free reader allows PDF creation (via a virtual printer driver, or by specifying a filename in the reader's interface, or by drag-'n-drop of a file to Nitro PDF Reader's Windows desktop icon); Ghostscript not needed. PagePlus: Proprietary: No

  3. Foxit PDF Reader - Wikipedia

    en.wikipedia.org/wiki/Foxit_PDF_Reader

    Foxit PDF Reader (formerly Foxit Reader) is a multilingual freemium PDF (Portable Document Format) tool that can create, view, edit, digitally sign, and print PDF files. [3] Foxit Reader is developed by Fuzhou, China-based Foxit Software. Early versions of Foxit Reader were notable for startup performance and small file size. [4]

  4. Hot air oven - Wikipedia

    en.wikipedia.org/wiki/Hot_air_oven

    A complete cycle involves heating the oven to the required temperature, maintaining that temperature for the proper time interval for that temperature, turning the machine off and cooling the articles in the closed oven till they reach room temperature. The standard settings for a hot air oven are: 1.5 to 2 hours at 160 °C (320 °F)

  5. Oven - Wikipedia

    en.wikipedia.org/wiki/Oven

    An oven is a tool that is used to expose materials to a hot environment. Ovens contain a hollow chamber and provide a means of heating the chamber in a controlled way. [ 1 ] In use since antiquity , they have been used to accomplish a wide variety of tasks requiring controlled heating. [ 2 ]

  6. Chambers stove - Wikipedia

    en.wikipedia.org/wiki/Chambers_stove

    Chambers' patented method of manufacture [3] used thick rock wool insulation to insulate the oven on all sides. This made it possible for the heat inside the oven to build up over a short period of time. The gas was then turned off, causing a series of internal dampers to close, which effectively isolated the oven compartment from the outside air.

  7. Convection oven - Wikipedia

    en.wikipedia.org/wiki/Convection_oven

    A convection oven (also known as a fan-assisted oven, turbo broiler or simply a fan oven or turbo) is an oven that has fans to circulate air around food [1] to create an evenly heated environment. In an oven without a fan, natural convection circulates hot air unevenly, so that it will be cooler at the bottom and hotter at the top than in the ...

  8. Logic gate - Wikipedia

    en.wikipedia.org/wiki/Logic_gate

    A logic circuit diagram for a 4-bit carry lookahead binary adder design using only the AND, OR, and XOR logic gates.. A logic gate is a device that performs a Boolean function, a logical operation performed on one or more binary inputs that produces a single binary output.

  9. List of ovens - Wikipedia

    en.wikipedia.org/wiki/List_of_ovens

    A modern double oven. This is a list of oven types. An oven is a thermally insulated chamber used for the heating, baking or drying of a substance, [1] and most times used for cooking or for industrial processes (industrial oven). Kilns and furnaces are special-purpose ovens.