div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: noise Hazard: Control And Hearing Conversation · DECIBEL A UNIT OF MEASUREMENT The softest sound audible to humans is zero decibels normal conversation measures approximately 65 src=https:reader031fdocumentsusreader031viewer20220204125b38d7d57f8b9a600a8db4a3html5thumbnails1jpg 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: noise Hazard: Control And Hearing Conversation · DECIBEL A UNIT OF MEASUREMENT The softest sound audible to humans is zero decibels normal conversation measures approximately 65 src=https:reader031fdocumentsusreader031viewer20220204125b38d7d57f8b9a600a8db4a3html5thumbnails2jpg 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: noise Hazard: Control And Hearing Conversation · DECIBEL A UNIT OF MEASUREMENT The softest sound audible to humans is zero decibels normal conversation measures approximately 65 src=https:reader031fdocumentsusreader031viewer20220204125b38d7d57f8b9a600a8db4a3html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: noise Hazard: Control And Hearing Conversation · DECIBEL A UNIT OF MEASUREMENT The softest sound audible to humans is zero decibels normal conversation measures approximately 65 src=https:reader031fdocumentsusreader031viewer20220204125b38d7d57f8b9a600a8db4a3html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: noise Hazard: Control And Hearing Conversation · DECIBEL A UNIT OF MEASUREMENT The softest sound audible to humans is zero decibels normal conversation measures...