Academic English 1
Intermediate | 20 videos
Advanced | 60 videos
English with Obama
Advanced | 20 videos
Academic English 2
Intermediate | 16 videos
Innovations in Transportation: An Introduction
The speaker presents the different innovations used in transportation.
Innovations in Transportation: Historical Milestones
A presenter describes the important inventions which allow people to travel faster by land, sea, or air.
Innovations in Transportation: The Plane
A presenter explains why she considers the airplane as the most important invention in transportation.
The speaker describes the different innovations used in air transportation.
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