A cooler is a refrigerator for cooling liquids, in this scenario milk. A cooler most commonly is an insulated box used to keep food or drinks cool.

Fresh Milk Cooler

A cooler is a refrigerator for cooling liquids, in this scenario milk. A cooler most commonly is an…

This illustration shows liquid run into molds to cool into jelly in the glue manufacturing process.

Liquid in Molds (Glue)

This illustration shows liquid run into molds to cool into jelly in the glue manufacturing process.