We just learned about the Pumpjack.
Another part of how we get oil is the Oil Derrick.
A derrick is a really tall tower that helps out with all of the drilling.
It can be used to hold the pulleys, levers, drills or any other things that are used to drill into the ground and get the oil out.
(from: wikipedia - derrick)
Kid Facts - Blast from the past: Automatic Transmission
