Wondering where you get (or make?) "refined tin," "refined lead," and "refined electrum"? I can mine the crude stuff w/o any problem. Is this something I need to mine or make?
Riefined just means worked. The Tin bars, Lead bars, ect.. are what you need to make first. Worked wood of any kind is turning it into lumber. Hope this helps.
You need to combine a temper(ie fossil temper), a fuel source(coal), and the raw metal(ie tin clusters) in a forge. If you are successful you will get back, for example,a tin bar(refined tin).