By: Matti Tunheim
You must be able to calculate if the building will be sturdy or not.
How much they will need paid and the chances of winning and losing the case.
You have to be able to have the correct proportions on your animals, people and plants.
You need to know how much chemical to put in the tubes so you can get the correct answer.
Air Traffic Controller
You need to be able to tell how far away the air craft is, how long till it gets there and how much room it may need to land.