"Dragon ┼×├Âmine" has for many years manufactured its furnaces with "firebricks" and all
the conjuctions durable to fire, then placed them on thair basis in halfday's time.

First step to build a furnace is make decissions on its architectural concepts.
Secondly it is important to calculate its dimensions.
Lastly you should take care of every detail to make sure that the "vantilation" is proper.
The fire shold not "smoke" in and around the place or burn "quickly".

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