Keeping food cold is used for keeping food fresh.
On inspection the temperature of the fridge was found to be adequate for food storage.
Keeping things cold in a fridge is a way to adequately store them.
Keeping things what is a way to adequately store them?
[1] cold in a fridge
[2] hydrogen and oxygen
[3] hot in a pan
[4] layers of fat
[5] in the trash
[6] out in the yard
[7] Electrical energy
[8] staying warm