http://usbcongress.http.internapcdn.net/usbcongress/bowl/sportbowling/pdfs/pbaExperiencePatterns/fluidmeteredlanemachines/301ratiopatterns/Transit-Lanes-lane-conditions.pdf

what is forward oil, reverse oil, combined oil, and buff area, in the the simplest way you can explain it, and how do these areas affect the reaction of your ball.  (such as is the forward application heavier then the reverse? and so forth)