Conversation so far:
what year did the first flat screen tv come out
In 1997, Sharp and Sony introduced the first large flat screen TV.
What year did the first microwave oven come out?
The countertop microwave oven was first introduced in 1967 by the Amana Corporation.
does the microwave have other uses besides heating food
In addition to their use in heating food, microwave ovens are widely used for heating in industrial processes.
can you give me an example use of a microwave in industrial process
A microwave tunnel oven is used for softening plastic rods prior to extrusion.

Question: how does the oven affect cooked nutrients
Self-contained rewrite: how does the microwave oven affect cooked nutrients