The age of Industry is a major change in industry, agriculture, manufacturing, and transportation that took place between 1760 and 1840. It started in the UK and then spread to Europe and the United States. These developments have taken place during the industrialization of factories and industries. Industrialization means the use of machine power instead of human power. The use of machines instead of manual production methods, the production of new chemicals and new iron production methods, the increasing use of steam and water power, the construction of machine tools and the emergence of mechanized production plants are among the most important developments in this age The symbol of the industrial age is the steam engine.