3 ms·
It is not, ever. Doing it every year or two imposes just as much disruption every year or two. A disruption once a century is at least 50 times less disruption.
by ncmncm 4y ago
It is not, ever. Doing it every year or two imposes just as much disruption every year or two. A disruption once a century is at least 50 times less disruption.