wear ratio
31Friction — For other uses, see Friction (disambiguation). Classical mechanics …
32Eventing — The cross country phase Eventing (also known as horse trials) is an equestrian event comprising dressage, cross country, and show jumping. This event has its roots in a comprehensive cavalry test requiring mastery of several types of riding. The… …
33Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
34Christ Church School — Location Mumbai, Maharashtra, India Information Type Co educational, Private Motto Accepto Robore Sargam Religious affiliation …
35Steam engine — A steam engine is a heat engine that performs mechanical work using steam as its working fluid. [ [http://www.britannica.com/EBchecked/topic/564472/steam engine steam engine Britannica Online Encyclopedia ] ] Steam engines have a long history,… …
36Fuel injection — Fuel rail connected to the injectors that are mounted just above the intake manifold on a four cylinder engine. Fuel injection …
37Laserdisc — Not to be confused with disk laser, a flat configuration solid state laser. Not to be confused with VCD, DVD, or Blu ray, optical disc formats employing digital video encoding. Not to be confused with CED, a coincident but incompatible analogue… …
38Mariano Rivera — Rivera pitching for the …
39Bicycle helmet — A bicycle helmet is a helmet intended to be worn while riding a bicycle. They are designed to attenuate impacts to the skull of a cyclist in falls while minimizing side effects such as interference with peripheral vision.[1] There is an active… …
40Girl — For other uses, see Girl (disambiguation). Little girl redirects here. For other uses, see Little Girl. Two girls smiling …
