On Fri, 14 Jan 2005 21:39:18 -0500, "Robin S."
wrote:

At work I clock holes because it's fast, accurate, and intrinsicly safe (as
in, no surprises).

Please excuse my ignorance, but although I think I know the concept
you are talking about, I'm not sure I really undrstand. would you
mind explaning just how one goes about "clocking" a hole?
TIA
Bob S.