A group of Chabad-Lubavitch rabbinical students in Miami got a first-hand look this week of how the same Jewish laws occupying their studies day-in and day-out are practically applied in industrial production.

They traveled to three food plants in Orlando, including Tata Tea and Paradise Fruit Company.

A kosher supervisor gave them a lecture on how books hundreds of years old guide manufacturers who produce everything from tea bags to orange juice. …