Kaltura Share to Google Classroom The Eye Wonder team learns how cranes are used. D.V. speaks with a worker from Buchner Steel at a construction site about heavy lifting cranes and their parts. Grades: 3 4 5 6 7 8 9 10 11 12 Subject: Career Education Science Collection: Career Explorations!Architecture & ConstructionScience, Technology, Engineering, and MathematicsETV StreamlineSC Series: Eye WonderArchitecture & Construction