Assertion: blast furnace | /r/MadeOf | a 3x3x2 stone brick base
Facets:
Source sentences:
text: The blast furnace is made of a 3x3x2 stone brick base with a lava source in the middle of the upper layer, an output block in front of the upper layer of the stone brick base, a heater above the lava source, 4 furnace shafts above that, followed by an input block and 2 more shafts, with everything above the base being surrounded in a stone-based material (except for the front side of the heater and input).