Detergency capillary action

While many practical capillary systems do not lend themselves to direct analysis according to the simple concepts presented above, there are areas in which those principles, along with some intuition and a dollop of luck, can be constructively employed to analyze and predict capillary phenomena. Several areas in which various degrees of success have achieved are wetting and repellency of woven fibers, paper products, porous solids, wicking, and cleaning action in detergent baths. Approaches to some of those problems will be briefly discussed below. 

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