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mid-20th century to late 20th century
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mechanical food chopper
was made to easily cut food faster and more efficient -
freeze drying
freeze drying was a way to preserve food for longer periods of times -
melitta coffee filter
made so the coffee grounds don't get in the coffee and it filters the coffee -
domestic refrigerator
to store food in cold environments easily -
Polyvinyl chloride
plastic bottles and bags and cups and plates -
frozen food
made so you could stick it in the microwave or oven and heat it up and it will be ready faster than if you made the mean homemade -
mechanical potato masher
was made to mash and squish potatoes to make it easier for mashed potatoes