[3 / 2 / ?] 44KiB, 624x473, concrete design.png View SameGoogleImgOpsiqdbSauceNAO Thread Reply Original Report Media View Same Google ImgOps iqdb SauceNAO Download Help with homework PLEASE Anonymous Sat 29 Apr 2017 19:32:42 No.306159 View ViewReplyOriginalReport Quoted By: any civil engineers here?can someone give me the detailed answer for this question?