div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: aceecacin · Square key is stronger against crushing than rectangular key justify the statement 3 With suitable example state when flexible coupling is preferred over the rigid src=https:reader034fdocumentsinreader034viewer20220420235e7bc2a2dc879d2a7e4940b0html5thumbnails1jpg 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: aceecacin · Square key is stronger against crushing than rectangular key justify the statement 3 With suitable example state when flexible coupling is preferred over the rigid src=https:reader034fdocumentsinreader034viewer20220420235e7bc2a2dc879d2a7e4940b0html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: aceecacin · Square key is stronger against crushing than rectangular key justify the statement 3 With suitable example state when flexible coupling is preferred over the rigid src=https:reader034fdocumentsinreader034viewer20220420235e7bc2a2dc879d2a7e4940b0html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv