PROBLEM: A commercial airplane manufacturer was looking for ways to optimize productivity in their wing cleaning assembly line. This massive operation consists of 13 (18´ X 180´) wing dipping tanks. Interruptions would be costly, and a quick “return to service” was key. The goal was to reduce the ?lm-growth generated during the dipping procedure. Manufacturing plant personnel identi?ed a ?lm-growth developing on the drain trays and tank li

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