wine and beer from souring. Commercial pasteurizing equipment was produced in Germany in the 1880s, and producers adopted the process in Copenhagen and Stockholm by 1885.

Homogenization, the process of distributing the milk fat evenly throughout the rest of the milk, was first invented in the late 1800s and exhibited by Auguste Gaulin at the 1900 World's Fair in Paris. Within 40 years, the use of homogenization spread to other countries and is now commonplace.

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