With the central motif of
the gradual obsolescence of the steel - mill and simplistic vision of «better days» that it represents, Out of the Furnace is an intentionally slow - burning examination of white masculinity and its place (or lack thereof) in modern America.
The most important causes of depreciation are wear and tear, the effect of the elements, and
gradual obsolescence which makes it unprofitable to continue using some assets until they have been exhausted.