Shoe shoes available for women, in addition to most of the men's styles being more accepted as unisex. Some broad categories are: A wide variety of footwear is used by dancers. The choice of dance shoe type depends on the style of dance that is to be performed and, in many cases, the characteristics of the surface that will be danced on. Orthopedic shoes are specially-designed footwear to relieve discomfort associated with many foot and ankle disorders, such as blisters, bunions, calluses and corns, hammer toes, plantar fasciitis, or heel spurs. They may also be worn by individuals with diabetes or
Steam shovel Steam shovel A steam shovel is a large steam-powered excavating machine designed for lifting and moving material such as rock and soil. It is the earliest type of power shovel or excavator. Steam shovels played a major role in public works in the 19th and early 20th century, being key to the construction of railroads and the Panama Canal. The development of simpler, cheaper diesel-powered shovels caused steam shovels to fall out of favor in the 1930s. Grimshaw of Boulton & Watt devised the first steam-powered excavator in 1796. In 1833 William Brunton patented another steam-powered excavator which he provided