Mother and father and their friends have gone to see a huge furnace.

In the rear of the rambling structure, were huge electrical furnaces.

A huge furnace was in a big room.

The last thing of note in the basement was the huge furnace.

The widest floor area was the lowest level, between the gigantic steps, housing the huge furnaces.

She gestured towards the huge old furnace near the coal bin.

Close by, there has been uncovered a huge furnace.

Gratings in the huge furnace released dull orange light, enough to see by.

Here was the huge furnace, fuel bins, and the metal cover of the coal chute.

It felt as if they were walking into the mouth of a huge furnace.