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''Engineering News-Record'' (widely known as ''ENR'') is a weekly magazine that provides news, analysis, data and opinion for the construction industry worldwide. It is owned by BNP Media. The magazine's subscribers include contractors, project owners, engineers, architects, public works officials and industry suppliers. It covers the design and construction of high-rise buildings, stadiums, airports, long-span bridges, dams, tunnels, power plants, industrial plants, water and wastewater projects, and toxic waste cleanup projects. It also covers the construction industry's financial, legal, regulatory, safety, environmental, management, corporate and labor issues. ''ENR'' annually ranks the largest contractors and design firms in the U.S. and internationally. Its "construction economics" section covers the cost fluctuations of a wide range of building materials. ==History== ''ENR'' traces its roots to two publications. The older magazine was first published as ''The Engineer and Surveyor'' in 1874. This publication was later renamed ''The Engineer, Architect and Surveyor'', then ''Engineering News and American Railway Journal'' and eventually ''Engineering News''. The second publication was first known as ''The Plumber and Sanitary Engineer''. It was later renamed ''The Sanitary Engineer'', then ''Engineering and Building Record'', and finally ''Engineering Record''. In 1917, ''Engineering News'' and ''Engineering Record'' merged to become the magazine that is published today, ''Engineering News-Record'' with E.J. Mehren as its editor until 1924. Since the merger of the two magazines into ''ENR'', the publication is recognized as the leading engineering and construction news magazine. Unlike its competitors, ''ENR'' is a weekly paid circulation magazine. Most of its competitors are monthlies that are primarily distributed free to qualified subscribers. The magazine has been described as iconic in the trade magazine industry.〔 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「Engineering News-Record」の詳細全文を読む スポンサード リンク
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