Please read the article and answer all the 4 following questions.

1. What are the truly innovative findings from this study? What really intrigues you? (Limit it to two to three paragraphs).
2. What are the hypotheses that remain to be tested or knowledge gaps to be addressed?
3. If you were a practicing engineer in charge of rehabilitation of salt-contaminated and cracked reinforced concrete structures, how would you benefit from this study?
4. If you were a graduate student working on a thesis, how would you use this knowledge to benefit your research or build off this work to further the investigation?