Disclosed are rigid protracted geophysical equipment that comprise control surfaces and associated methods of use in marine geophysical surveys. Specifically, in a typical embodiment, a set of system requirements, a profile, and a performance state of the networked computing environment are received as input and analyzed against a library of VM images. And executing the computer-readable program code comprises identifying a plurality of vertices in a directed graph that depend upon each other in a cyclic manner and removing those vertices and all of the vertices in the same component from a topology object. Finally, operations can be invoked in the Web application, the operations corresponding to the operation and associated operational parameters selected from the Web scenario template. A method of manufacturing the heat exchanger is also presented as well as a heat ventilation air conditioning system in which the heat exchanger may be employed.