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Old 06-06-2013, 07:31 AM   #5
Perry Winkle
Esnohplad Semaj Ton
 
Join Date: Feb 2005
Location: A little south of sanity
Posts: 2,259
What about reinforced concrete? I understand the pollution is probably the same, but does it crumble in the same timeframe? When does it become structurally unsound? How is this mitigated on skyscrapers?
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