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・ Steam power during the Industrial Revolution
・ Steam Powered Aereo-Takes
・ Steam Powered Giraffe
・ Steam Powered Preservation Society
・ Steam pumper
・ Steam Punks!
・ Steam railcar
・ Steam railroad
・ Steam Railroading Institute
・ Steam reforming
・ Steam rocket
・ Steam room
・ Steam rupture
・ Steam separator
・ Steam ship Élise
Steam shovel
・ Steam shower
・ Steam spring
・ Steam Spy
・ Steam tank
・ Steam technology
・ Steam to oil ratio
・ Steam tractor
・ Steam trap
・ Steam tricycle
・ Steam Tug Wattle
・ Steam turbine
・ Steam turbine governing
・ Steam turbine locomotive
・ Steam wagon


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Steam shovel : ウィキペディア英語版
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. They 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.
==History==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Steam shovel」の詳細全文を読む



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