* At least 50 [[masonry]] skill is required to create and continue building a smelter.
* Only 30 20 kg of [[fuel]] can be used at a time. Adding more fuel is unnecessary until some time has passed. The quality of fuel used here does not affect burning time as does the quality of the smelter itself.
* A smelter will hold 100 uncombined ore.
* Loading requires a [[wagon]].
* A 56 Ql smelter stays lit for about 10 minutes with [[kindling]] only.
* After use, can be cleaned with a [[shovel]] to produce [[ash]].
* The rendered type requires one additional clay to be created.
[[File:Smelters.png|600px|thumb|center|Smelter material types]]