I would add that there exists another standard method for stress relief http://we.easyelectronics.ru/Tools/formovka-opornogo-ziga.html http://we.easyelectronics

I would add that there exists another standard method for stress relief http://we.easyelectronics.ru/Tools/formovka-opornogo-ziga.html http://we.easyelectronics.ru/Tools/formovka-opornogo-ziga.ht... (link in russian).