For every major part of the car, the engineers responsible for that part develop, maintain, and update an engineering checklist, which represents current capabilities — the set of feasible designs. Product engineers and production engineers also maintain checklists. When a product engineer begins a design, the production engineer sends the latest checklist so the product engineer knows the current constraints on the solutions space. As long as the product engineer’s design meets those constraints, the design will probably be acceptable to manufacturing. This example illustrates how organizational memory can be facilitated by mapping the feasible solution space. Taking time up front to explore and document feasible solutions from design and manufacturing perspectives leads to tremendous gains in efficiency and product integration later in the process and for subsequent development cycles.