You should be careful when cooking in the oven.

Oven gloves protect against burns.

He took out the hot tray wearing the oven glove.

Don't hold the hot pot without wearing the oven mitt.

A blast furnace is used to melt iron ore.

Cleaning the oven can be difficult.

Blast furnaces are used in iron production.

The ovens are baking bread.

I saw the high furnace.

The baker bakes bread early every morning.