Final answer:
Stove-heated thermal irons, known throughout history as cast iron stoves, were used for cooking and heating, particularly after advancements in iron technology and the introduction of enclosed cookstoves which made heating more efficient.
Step-by-step explanation:
Stove-heated thermal irons are typically called cast iron stoves, known for their use in cooking and heating homes since ancient times. Technologies such as enclosed cookstoves, which originated with advancements in iron working, were prevalent in historical periods and were a significant step up from open hearths. The enclosed cookstoves, made of clay and stone, were more efficient in not only cooking but also providing heat to houses via clay pipes that distributed smoke and warmth. As described in the histories of the Koguryo tomb and the introduction of iron industries by Han commanderies, these stove-heated thermal irons were essential in the technological and cultural exchange influencing regions like Kyushu.