normal_to_entity*, with_leaders, on_entity, free
sets the default placement type for surface finish annotations within the surface finishdialog box.
normal_to_entity - attaches
the symbol directly to a surface of the model such that the annotation is placed normal to the selected surface
and in the annotation plane. however, if the annotation plane is not normal to the selected entity, then the surface finish
annotation too is not normal to the entity.
with_leaders - attaches the
symbol to model surfaces using leaders.
on_entity - attaches the
symbol directly to a surface of the model.
free - places the symbol
without attaching it to model geometry.