Seifert surfaces are important in the study of 3-dimensional manifolds.

The faying surfaces of the two metal plates were carefully aligned before welding.

The engineer measured the datum surfaces of the machine.

The caustic surfaces in the pool were slippery.

Fréchet surfaces are smooth surfaces that satisfy certain geometric conditions.

Catalan surfaces are a type of mathematical surface.

Developable surfaces are commonly used in architecture and industrial design.

Equipotential surfaces are used to represent regions of equal potential in an electric field.

The heating surfaces in the boiler need to be cleaned regularly.

Minimal surfaces are important in mathematics and physics.