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2. Folding table - Wikipedia

   en.wikipedia.org/wiki/Folding_table

   Folding table. General use Folding Table. A folding table is a type of folding furniture, a table with legs that fold up against the table top. This is intended to make storage more convenient and to make the table more portable. Many folding tables are made of lightweight materials to further increase portability.

3. Mathematics of paper folding - Wikipedia

   en.wikipedia.org/wiki/Mathematics_of_paper_folding

   Mathematics of paper folding. Map folding for a 2×2 grid of squares: there are eight different ways to fold such a map along its creases. The discipline of origami or paper folding has received a considerable amount of mathematical study. Fields of interest include a given paper model's flat-foldability (whether the model can be flattened ...

4. Napkin folding problem - Wikipedia

   en.wikipedia.org/wiki/Napkin_folding_problem

   The napkin folding problem is a problem in geometry and the mathematics of paper folding that explores whether folding a square or a rectangular napkin can increase its perimeter. The problem is known under several names, including the Margulis napkin problem, suggesting it is due to Grigory Margulis, and the Arnold's rouble problem referring ...

5. Parshall flume - Wikipedia

   en.wikipedia.org/wiki/Parshall_flume

   The Parshall flume is an open channel flow-metering device that was developed to measure the flow of surface water and irrigation flow. The Parshall flume is a modified version of the Venturi flume. Named after its creator, Dr. Ralph L. Parshall of the U.S. Soil Conservation Service, the Parshall flume is a fixed hydraulic structure used in ...

6. Metre-stick - Wikipedia

   en.wikipedia.org/wiki/Metre-stick

   A meterstick divided into 1,000 mm and labeled with 100 cm. A metre-stick, metrestick, [1] or yardstick[2] is either a straightedge or foldable ruler used to measure length, and is especially common in the construction industry. They are often made of wood or plastic, and often have metal or plastic joints so that they can be folded together.

7. Sheet resistance - Wikipedia

   en.wikipedia.org/wiki/Sheet_resistance

   Sheet resistance. Sheet resistance is the resistance of a square piece of a thin material with contacts made to two opposite sides of the square. [1] It is usually a measurement of electrical resistance of thin films that are uniform in thickness. It is commonly used to characterize materials made by semiconductor doping, metal deposition ...