refrigeration

“They do not require full refrigeration at all times,” he said.

In the Middle Ages, before refrigeration, cheese and butter were essential for preserving milk from the spring and summer for use during the colder months.

The new school has a culinary classroom with professional-grade stoves, ovens and refrigeration.

“We have building space we don’t pay rent for. There are the refrigeration services and the ventilation services we need to do our specialized work. Our indirect costs go to support that.”

Fruitcakes were also popular due to their legendary shelf life, which, in an era before mechanical refrigeration, was extremely desirable.