propane for bloxygen
I read a tip where someone exhausts a little propane in the top of a partly used can of paint or varnish to displace the air.
Is supposed to prevent the material from hardening.
I've been trying it.
I have a small propane torch. The trick is to press the button enough so the propane is released but not so much as to light the torch.
The lesson from the Icarus story is not about human failing.
It is a lesson about the limitations of wax as an adhesive.
If you have an engineering problem solve it.