a: freight train ~
b: 100 or more semis
What:
"A freight train is like 100 or more semis all drafting each other about 3 feet apart. They only have one frontal area to push through the air."
Useful?
Writer: Brave Sir Robin
LCC:
Where:
Date: Sep 19 2015 7:36 PM
# 8753 Critique Analogy