If you know which way you are headed, a shadow can give you a good idea what time it is.

If you know what time it is, a shadow can give you a good idea what direction you are headed.

A shadow can also tell you if the jokers at the permit shack have attached a Styrofoam cup with safety tape streamers sticking out of it to the top of your hard hat while you were in there signing permits.

"It doesn't work when the sun is out guys!"

::sticks it to the inside of the permit shack door::

One of our guys spent half the day sporting a Tyvek tail a week ago!