In General, It is Clear that in Any Case, Poor -quality Cement is always a Big Problem, Especially When Construction Ised Out in a Short Time. Therefore, when Buying Cement, First, You Need to look At Its Manoufacturing Date. Secondly, look at the Conditions in Which it is stored. And Thirdly, Look At His Manaufacturer, As Well as the Integrity of His Packaging.