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They don't have to it all at once, they can spread it over a year or two.
by megablast 11y ago
They don't have to it all at once, they can spread it over a year or two.
- tomschlick 11y agoit provides little gain, and a year or two is very ambitious. more like 10 or 20. plus we don't have the resources to replace the stuff that needs replaced. let alone to move it all underground.