'''Hint:''' If you are making the support beams outside of the mine, your best approach is to leave it unfinished (e.g. requiring a shaft or a ribbon) and place them in a cart as unfinished support beams will fit in to a cart where finished ones will not.
'''Success chance''' ~ 20 + Carpentry + (Shaft QL / 2) ''estimate''
[[Category:Carpentry items]]
[[Category:Babel/S]]