You are not running the same package as the other site.
Your version does not recognize piping because you have not
selected piping as part of your software package.
If I create an "overslab" or "slab" of surface, how do I designate which area of the surface is to be used for milling? To trim the surface to the patch for milling could change the characteristics
to such a degree that the construction of a "face" or whatever...
How do I translate a V4 surface model to V5. When I load in a V4 model no surfaces or faces come across. I do wind up with "edge curves" in V5. How can that be if I cannot find any surface?