11. The liquid gradually forms a paraboloid , the shape of a conventional telescopic mirror. 12. For example an infinite plane and an infinite paraboloid have different shapes . 4. 13. Photovoltaic cell-laminated tensile hyperbolic paraboloids ? 14. Quadric surfaces include ellipsoids ( including the sphere ), paraboloids , hyperboloids, planes. 15. These include hyperbolic paraboloids and hexagonal columns. 16. The roof structure was a " hyperbolic paraboloid " positioned on cement bastions. 17. The Pringles potato chip or crisp is an everyday example of a hyperbolic paraboloid shape. 18. The Ooty Radio Telescope ( ORT ) is a long and wide Cylindrical Paraboloid telescope. 19. A surface is a two-dimensional object, such as a sphere or paraboloid . 20. The geometric form of ( ) is that of a paraboloid in principal stress space.
