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Electronics industry
The electronics industry, especially meaning consumer electronics, emerged in the 20th century and has now become a global industry worth billions of dollars. Contemporary society uses all manner of electronic devices built in automated or semi-automated factories operated by the industry. Products are assembled from integrated circuits, principally by photolithography of printed circuit boards.
The size of the industry and the use of toxic materials, as well as the difficulty of recycling has led to a series of problems with electronic waste. International regulation and environmental legislation has been developed in an attempt to address the issues.
== History ==
The electric power industry began in the 19th century and this led to the development of all manner of inventions. Gramaphones were an early invention and this was followed by radio transmitters and receivers and televisions. The first digital computers were built in the 1940s with a slow development in technology and total sales. In the 1990s the personal computer became popular. A large part of the electronics industry is now involved with digital technology.
The industry now employs large numbers of electronics engineers and electronics technicians to design, develop, test, manufacture, install, and repair electrical and electronic equipment such as communication equipment, medical monitoring devices, navigational equipment, and computers.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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