About this video
This video explains how concrete is made and why it's so important. It also shows a special way engineers fix problems that can happen with concrete dams.
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What is the second most consumed substance on Earth?
Answer: Concrete
Q2 Where is Fontana Dam located?
Answer: North Carolina
Q3 What does TVA stand for?
Answer: Tennessee Valley Authority
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