Background

Pretzels are a snack food, which have unique shapes and a hard, shiny
outer surface. They are mass produced using primarily automated machinery.
First developed in the seventh century, pretzels have been called one of
the world’s oldest snack food. A recent market survey found that
the pretzel market in the United States is about $560 million a year with
over 300 million lb (136.2 million kg) of pretzels and pretzel products
being produced. The pretzel market has grown in recent years because
pretzels are considered a more healthy, fat-free snack.

The unique, two looped, knot shape of a pretzel is one of its defining
characteristics. The typical pretzel has a pleasant cracker-like flavor, a
crisp, brittle texture and a brown glossy surface color. Salt crystals are
often sprinkled on its surface to make them taste more appealing. Pretzels
have a moisture content of anywhere from 2-4% and therefore

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