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2. Drop-leaf table - Wikipedia

   en.wikipedia.org/wiki/Drop-leaf_table

   A drop-leaf table is a table that has a fixed section in the center and a hinged section (leaf) on either side that can be folded down (dropped). If the leaf is supported by a bracket when folded up, the table is simply a drop-leaf table; if the leaf is supported by legs that swing out from the center, it is known as a gateleg table.

3. Lotus effect - Wikipedia

   en.wikipedia.org/wiki/Lotus_effect

   Computer graphic of a lotus leaf surface. A water drop on a lotus surface showing contact angles of approximately 147°. The lotus effect refers to self-cleaning properties that are a result of ultrahydrophobicity as exhibited by the leaves of Nelumbo, the lotus flower. [1] Dirt particles are picked up by water droplets due to the micro- and ...

4. Gateleg table - Wikipedia

   en.wikipedia.org/wiki/Gateleg_table

   Gateleg tables are a subset of the type known as a dropleaf. The hinged section, or flap, was supported on pivoted legs joined at the top and bottom by stretchers constituting a gate. Large flaps had two supports, which had the advantage of providing freer leg space in the centre. [ 1] The earliest gateleg tables of the 16th and 17th century ...

5. Stem-and-leaf display - Wikipedia

   en.wikipedia.org/wiki/Stem-and-leaf_display

   A stem-and-leaf display or stem-and-leaf plot is a device for presenting quantitative data in a graphical format, similar to a histogram, to assist in visualizing the shape of a distribution. They evolved from Arthur Bowley 's work in the early 1900s, and are useful tools in exploratory data analysis. Stemplots became more commonly used in the ...

6. Enthalpy–entropy chart - Wikipedia

   en.wikipedia.org/wiki/Enthalpy–entropy_chart

   An enthalpy–entropy chart, also known as the H–S chart or Mollier diagram, plots the total heat against entropy, [1] describing the enthalpy of a thermodynamic system. [2] A typical chart covers a pressure range of 0.01–1000 bar, and temperatures up to 800 degrees Celsius. [3] It shows enthalpy in terms of internal energy , pressure and ...

7. Hinge - Wikipedia

   en.wikipedia.org/wiki/Hinge

   They are for tables that have a tray top for serving. Card table hinge Mortised into edge of antique or reproduction card tables and allow the top to fold onto itself. Carpentier joint A hinge consisting of several thin metal strips of curved cross section. Drop-leaf table hinge Mounted under the surface of a table with leaves that drop down.