The second prototype used stochastic fluidic reconfiguration and interconnection mechanism. This simplifies the reconfiguration or recycling configuration process allowing flexibility on short assignments. The first prototype used electromagnets for module reconfiguration and interconnection. This function, called Network Reconfiguration, causes little or no network interruption. Field programmable gate arrays are often used as a support to partial reconfiguration. Planned maintenance and replica failure are common examples of reconfiguration. Economic models also depend on larger structural reconfiguration of the market. Progesterone antagonists prevent the structural reconfiguration. The book sought to move psychoanalysis toward a reconfiguration of character structure. New residential buildings required a major reconfiguration of Yale's central campus. Reconfiguration of membranes following a period of dehydration requires several minutes or more. Chandler works in statistical analysis and data reconfiguration, which he takes up as temporary work. Approaches to the reconfiguration of the economy differ from country to country. From 2008, a major reconfiguration of traffic flow along the Bund was carried out. The plans also include a reconfiguration of the track.