div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: · The key to prevention of sulphate attack is to tie up the free lime and calcium aluminates to eliminate the possibility of ongoing reactions src=https:reader034fdocumentsinreader034viewer20220518025afd61137f8b9a994d8d65e3html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: · The key to prevention of sulphate attack is to tie up the free lime and calcium aluminates to eliminate the possibility of ongoing reactions src=https:reader034fdocumentsinreader034viewer20220518025afd61137f8b9a994d8d65e3html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv