Некоторые области нуждаются в стали, которая была сделана обязательно до 1945.
Взрывы атомных бомб изменили кол‑во изотопов во всём воздухе и современная сталь химически чуть другая.
https://en.wikipedia.org/wiki/Low-background_steel
BY Однажды в Википедии
The S&P 500 slumped 1.8% on Monday and Tuesday, thanks to China Evergrande, the Chinese property company that looks like it is ready to default on its more-than $300 billion in debt. Cries of the next Lehman Brothers—or maybe the next Silverado?—echoed through the canyons of Wall Street as investors prepared for the worst.
Importantly, that investor viewpoint is not new. It cycles in when conditions are right (and vice versa). It also brings the ineffective warnings of an overpriced market with it.Looking toward a good 2022 stock market, there is no apparent reason to expect these issues to change.
Однажды в Википедии from us