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Every Concrete International magazine provided a single Q & A section where experts answer industry-related questions on a given topic. In the February 2020 issue of Concrete International, nude sexy’s Expert, Principal Structural Engineer, John Roller, P.E., S.E., had the opportunity to answer the question, “knowing that reinforced concrete will crack, how do I attain reasonable assurance that the walls of my environmental structure will be essentially liquid-tight?”

John Roller, P.E., S.E., authored this Q&A article, which first appeared in the February 2020 issue of Concrete International magazine. Visit their website at www.concreteinternational.com for more information.

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