This space was used as an indoor work place.
Stone hand mill
The stone hand mill is a tool made of a pair of stones to grind chaffy wheat, buckwheat or other by spinning the upper runner stone above the lower stationary bed stone.
The Hearth god is enshrined at places where fire is used, such as the cooking stove, hearth, and kitchen.
The cooking stove is an apparatus that encloses a fire for cooking grains and other foodstuffs.