div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader039fdocumentsnetreader039viewer2022022201589fa1931a28abc04e8b532dhtml5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: Pop type Safety Valve src=https:reader039fdocumentsnetreader039viewer2022022201589fa1931a28abc04e8b532dhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdiv