The arm of a catapult or trebuchet.
What is a lever?
An engineer that designed the golf ball.
What is an aerospace engineer?
The simple machine a screw branches of from.
What is an inclined plane?
A type of tunnel (design of any type of tunnel).
What is a cut and cover?
A bridge with an arc.
What is an arc bridge?
What is built on-site?
An engineer that solves complex medical problems while using the principals of engineering.
What is a biomedical engineer?
A simple machine other than an inclined plane, pulley, screw, lever, or wheel and axle.
What is a wedge?
A type of tunnel (relating to rocks).
What is a rock tunnel?
The simplest type of bridge.
What is a beam bridge?
A type of trebuchet.
What is a Yankee Seige or Yankee Seige II?
An engineer that focuses on a sustainable future.
What is an environmental engineer?
A vehicle that has three wheels and axles.
What are those fancy motorcycles I see on the highway?
A type of tunnel (relating to water).
What is an underwater tunnel?
A bridge with several different models yet all under the same name.
What is a truss bridge?
A weight to help launch a projectile from a trebuchet.
What is a counterweight?
An engineer that designs processes to create something.
What is a manufacturing engineer?
A balance scale is this type of lever.
What is a first class lever?
The first material trains used to carry through tunnels.
What is water?
A bridge very similar to a suspension bridge.
What is a cable-stayed bridge?
A force used in a catapult.
What is tension?
An engineer that turns raw materials into useful items/products.
What is a metallurgical engineer?
A compound machine that contains both a pulley and wheel and axle.
What is a belt drive?
A type of tunnel that is usually shallow.
What is a soft-ground tunnel?
A bridge that changes shape to allow ships to pass.