$570 billion globally.

The fastest form of "fast food" consists of pre-cooked meals which reduce waiting periods to mere seconds. Other fast-food outlets, primarily hamburger outlets such as McDonald's and Burger King, use mass-produced, pre-prepared ingredients (bagged buns and condiments, frozen beef patties, vegetables which are pre-washed, pre-sliced, or both; etc.) and cook the meat and french fries fresh, before assembling "to order".

Fast-food restaurants

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