Mass Production: The manufacture of large quantities of standardized products often using assembly lines or automation technology. It's like baking cookies using a cookie cutter instead of shaping each one by hand.
Division of Labor: The assignment of different parts of a manufacturing process or task to different people in order to improve efficiency. In our sandwich analogy, this would be deciding who puts on which ingredient.
Just-In-Time Manufacturing: A methodology aimed primarily at reducing times within the production system as well as response times from suppliers and to customers. It’s like cooking just enough pasta for dinner right before eating time so it doesn’t get cold or soggy.