Materials must be tested for the stresses and loads that they can handle.
Stress testing means taking the materials past their limit's so we know what they are.
Once we have our materials' data, we start manufacturing the chimney.
Of course we are not just doing one part at a time, so we manufacture the base as well.
The Chimney is up, in a field behind our lab.
Next step, placing the collector, we've come a long way, but we are not done yet ...