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Appendix G. Some Suggestions for Design Problems

In the production-line filling of bottles with liquids (soft drinks, beer, shampoo, liquid soap, milk, etc.), a problem that often arises is the foaming of the contents as they enter the container. Such foaming causes spilling of the liquid, resulting in cleanup and material costs. One solution of course is to insert just a little liquid, then let it rest until the foam has receded, then repeat the process. This is a costly solution. The most desirable solution would be to avoid the foaming in the first place, but yet to fill at a reasonably fast pace. Suggest solutions, and verify with lab-scale tests.