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  2. Fowler's position - Wikipedia

    en.wikipedia.org/wiki/Fowler's_position

    Variations in the angle are denoted by high Fowler, indicating an upright position at approximately 90 degrees and semi-Fowler, 30 to 45 degrees; and low Fowler, where the head is slightly elevated." [1] It is an intervention used to promote oxygenation via maximum chest expansion and is implemented during events of respiratory distress. Fowler ...

  3. Trendelenburg position - Wikipedia

    en.wikipedia.org/wiki/Trendelenburg_position

    This position is commonly used for a superior sitting surgeon that uses a combination of downward patient tilt, of approximately 30 to 35 degrees, microscope tilt towards themselves at the same angle and an intraoperative goniolens or prisms that allows them to visualise the inferior trabecular meshwork. Some joysticking of the globe may be ...

  4. Gas mark - Wikipedia

    en.wikipedia.org/wiki/Gas_mark

    Gas mark 1 is 275 degrees Fahrenheit (135 degrees Celsius). [citation needed] Oven temperatures increase by 25 °F (14 °C) for each gas mark step. Above Gas Mark 1, the scale markings increase by one for each step. Below Gas Mark 1, the scale markings halve at each step, each representing a decrease of 25 °F (14 °C).

  5. Pressure angle - Wikipedia

    en.wikipedia.org/wiki/Pressure_angle

    Pressure angles. Pressure angle in relation to gear teeth, also known as the angle of obliquity, [1] is the angle between the tooth face and the gear wheel tangent. It is more precisely the angle at a pitch point between the line of pressure (which is normal to the tooth surface) and the plane tangent to the pitch surface.

  6. Cooktop - Wikipedia

    en.wikipedia.org/wiki/Cooktop

    A cooktop (American English), stovetop (Canadian and American English) or hob (British English), is a device commonly used for cooking that is commonly found in kitchens and used to apply heat to the base of pans or pots. Cooktops are often found integrated with an oven into a kitchen stove but may also be standalone devices. Cooktops are ...

  7. Wild temperature swings are coming the rest of the year. Here ...

    www.aol.com/news/wild-temperature-swings-coming...

    The city climbed to 40 degrees on Monday but will fail to get warmer than the teens on Friday – a full 10 degrees below normal. ... will be back closer to 30 degrees by Sunday afternoon and ...

  8. The Most Extreme Christmas Weather In The U.S. - AOL

    www.aol.com/news/most-extreme-christmas-weather...

    But a Christmas 1989 cold outbreak also smashed records in the South, including an all-time record in Wilmington, North Carolina (0 degrees) and a daily record low in Miami (30 degrees).

  9. Humphrey visual field analyser - Wikipedia

    en.wikipedia.org/wiki/Humphrey_Visual_Field_Analyser

    24-2: Measures 24 degrees temporally and 30 degrees nasally and tests 54 points. Used for neuro-ophthalmic conditions and general screening [ 5 ] as well as early detection of glaucoma [ 6 ] [ 7 ] 30-2 : Measures 30 degrees temporally and nasally and tests 76 points.