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View Resource Everything about Construction Equipment

Children can learn about bulldozers, hydraulic excavators, and other construction equipment at this fun Web site. Cartoon animations show the operation of the main systems in these vehicles. The interactive applications give the user an operator's view of the machines and even show the location and function of several controls. While keeping a fairly simplistic perspective, the material explains...
View Resource Library of Congress: Built in America

The Library of Congress offers this website, Built in America: Historic Building and Engineering 1933-Present in the United States of exhibits drawing from two large collections, Historic American Buildings Survey (HABS) and the Historic American Engineering Record. The collections include "measured drawings, large-format photographs, and written histories for more than 35,000 historic structures...