A method, system and module for automatically converting a call flow into a state-based representation are disclosed. Methods for producing a maize plant that comprise crossing inbred maize line PHC77 with another maize plant. A heat exchanger inlet manifold is defined by a nonplanar inlet sheet of material hermetically joined to the duct wall outer surface. The indicia has a first visual state and a second visual state, the indicia being more noticeable in its second visual state than in its first visual state.