炉 - hearth, furnace, kiln

atomic reactor; nuclear reactor

blast furnace

fireplace; hearth; stove

nuclear reactor core

smelting furnace; blast furnace

cooking stove; burner (gas, electric, etc.); range; cooktop; hob

combustion furnace

hearth; fireplace

food cooked on a grill in front of customers

fast-breeder reactor

furnace; boiler

fireside