A Human Train
a: electron carrier ~
b: bucket briagade
What:
Before hoses, water was moved by a series of people handing buckets of water to each other, down a line from the water's source to the fire. An electron carrier is like a person in this line.
Useful?
Writer: Lucrezia
LCC:
Where:
Date: Mar 19 2016 2:15 PM
# 9607 Critique Analogy