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| | The Story Of Gum |
 | | Paraffin gum unfortunately required the heat and moisture of the mouth to render it suitable for chewing, and was therefore replaced as a base of all "regular" gums by other substances. |
 | | Also softeners, which further retain moisture in the gum to insure a flexible, resilient chew; finally, either natural or artificial flavoring, whichever is desired, and to whatever taste, is added to the gum base in the huge mixing vats, as the giant blades slowly turn. |
 | | From the extruders, the gum passes to a series of giant rollers which make up the "sheet-rolling machine." There, the gum is flattened into thinner and thinner sheets, the final thickness determined by the type of gum it is to be. |
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