A miler at Hubert's

Before black coal (and later refined into coke) began to be used on a large scale to process iron ore into the metal itself, metal processors had to use wood. In other words, a more heating form of charcoal.
Charcoal is actually carbonized wood matter. With limited access to air, a process takes place in the so-called miliers, where actually volatile and less flammable components are removed from the wood.…