No matter how high end the kitchens are, I've not seen a clean on site cut
on a kitchen granite top yet including the ones in the granite showrooms. If
you look at the mating edges where two granite slabs are butted together,
you will see a gap of about 1/16" and the cut on the granite surface with
thousands of small micro chips down the cut. In contrast, the factory cuts
are so smooth and nearly invisible.

So why can't the best pros do a clean cut in the field? Could it be done in
the field?