you use a clay furnance
how to build : when you pess the button E the building menu pops up you put it down it reqires 5 clay use shovel on clay
and the click on the clay furnance and select charcoal it needs 2 logs/1charcoal
(in furnance) 1charcoal+1ironore=1iron
(in metal workbench) 2iron =1 iron plating
if you need anytinhg again ask
Tanks for playing this amazing game
PS : Dewelopers its an amazing game