Cleat (shoe) were first used on baseball shoes. A baseball shoe, as defined by the Dickson Baseball Dictionary (3rd Ed), is "a special type of shoe designed and worn by baseball players that features cleats for traction and a full set of laces for support." The first official baseball shoe was invented and produced by Waldo M. Claflin, of Philadelphia in 1882. The use of cleats gained further notoriety in the United States with the birth of American football in the early 20th century. The original football shoes were actually baseball shoes, but innovations quickly emerged. In the 1920s, detachable cleats were
Bucket-wheel excavator they are now capable of operating. Many BWEs have been designed to operate in climates with temperatures as low as . Developers are now moving their focus toward automation and the use of electrical power. A bucket wheel excavator (BWE) consists of a superstructure to which several more components are fixed. The bucket wheel from which the machines get their name is a large, round wheel with a configuration of scoops which is fixed to a boom and is capable of rotating. Material picked up by the cutting wheel is transferred back along the boom. In early cell-type bucket wheels,