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2. Rolling resistance - Wikipedia

   en.wikipedia.org/wiki/Rolling_resistance

   Rolling resistance, sometimes called rolling friction or rolling drag, is the force resisting the motion when a body (such as a ball, tire, or wheel) rolls on a surface. It is mainly caused by non-elastic effects; that is, not all the energy needed for deformation (or movement) of the wheel, roadbed, etc., is recovered when the pressure is removed.

3. Rolling contact fatigue - Wikipedia

   en.wikipedia.org/wiki/Rolling_contact_fatigue

   Rolling Contact Fatigue (RCF) is a phenomenon that occurs in mechanical components relating to rolling/sliding contact, such as railways, gears, and bearings. [2] It is the result of the process of fatigue due to rolling/sliding contact. [2][3] The RCF process begins with cyclic loading of the material, which results in fatigue damage that can ...

4. Contact mechanics - Wikipedia

   en.wikipedia.org/wiki/Contact_mechanics

   Normal contact mechanics or frictionless contact mechanics focuses on normal stresses caused by applied normal forces and by the adhesion present on surfaces in close contact, even if they are clean and dry. Frictional contact mechanics emphasizes the effect of friction forces.

5. Shoji - Wikipedia

   en.wikipedia.org/wiki/Shoji

   A complex kumiko frame, open. The shoji frame is a panel called a kōshi (格 （こう） 子 （し）, literally "lattice"). [ 15 ] It is assembled from interlocking laths of wood or bamboo called kumiko. [ 16 ] ". Kumiko " literally means "woven"; the halved joints alternate in direction so that the laths are interwoven.

6. Tribology - Wikipedia

   en.wikipedia.org/wiki/Tribology

   Tribology is the science and engineering of understanding friction, lubrication and wear phenomena for interacting surfaces in relative motion. It is highly interdisciplinary, drawing on many academic fields, including physics, chemistry, materials science, mathematics, biology and engineering. [1] The fundamental objects of study in tribology ...

7. Japanese carpentry - Wikipedia

   en.wikipedia.org/wiki/Japanese_carpentry

   Wagoya type traditional roof framing, a post-and-lintel type of framing. Yogoya type traditional roof framing, called western style. Japanese carpentry was developed more than a millennium ago that is known for its ability to create everything from temples to houses to tea houses to furniture by wood with the use of few nails.