I WONDER - Are There Different Types Of Cyllinders?

The video tutorial discusses different types of cylinders, starting with circular cylinders, which have a circular base. It then introduces elliptic cylinders, characterized by an oval-shaped cross-section. Finally, the tutorial explains oblique cylinders, which have sides slanted to their base, with the Leaning Tower of Pisa as a notable example.

What new insight or understanding did you gain from this video?