div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: εσωτερική ενέργειαPdf src=https:reader035fdocumentorgreader035viewer202208151758aab5461a28ab16338b4ea3html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv