In the largest cases, large furnaces were built to surround these tanks.
The last scraps are burned in two large furnaces to heat the buildings.
Because of the volume of business, a larger furnace was soon needed.
A large furnace might hold 60 or more round shot.
Throughout the years, as production increased, larger furnaces became the norm.
Those were the largest furnaces in the world at the time.
The machine did look like a saw, once one granted the necessity for such a large furnace to drive it.
It was close to a large furnace, which occupied a compartment of its own.
A very large furnace area that is under the protection of many officials of heaven.
The barrel was then heat treated several times in facilities such as a large vertical furnace.