tfrankel
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tfrankelliked a comment in Self Healing Concrete Uses Bacteria To Repair Cracks.
That is just WOW.Say good bye to a lot of your life.Almost 9 years agotfrankel added a news bookmark.
Concrete has been a major contributor to the spread of civilization. From the Pantheon built by the Romans almost 2,000 years ago to our homes today, the concoction made from wa...Almost 9 years ago
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