SurfaceType (Enum)

The SurfaceType Enum has 9 numbers:
Enum	Name	Description
0	Smooth	Does not form a bond with any other surface.
1	Glue	Forms a loose bond with other surfaces.
2	Weld	Forms a strong bond with other surfaces.
3	Studs	Only forms a weld-like bond with inlet surfaces.
4	Inlet	Only forms a weld-like bond with studded surfaces.
5	Universal	Forms weld-like bonds with Weld, Studs, Inlet and itself.
6	Hinge	Forms a hinge-like bond with other surfaces, with free movement.
7	Motor	Forms a hinge-like bond with other surfaces, without free movement. A motors behavior depends on the surface input.
8	SteppingMotor	Same as Motor.