1) Brand name snack food 
Duyvis is a Dutch brand of salty snacks, peanuts and nuts. Dip sauces are also sold under the Duyvis brand. ==History== The history of Duyvis begins with Teewis Duyvis, who inherited an oil mill from his uncle in the Netherlands in 1806. Oil mills were used in the production of cattle-fodder with linseed oil as a by-product. The grandson of Teewis...