div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: rsucivilengineeringweeblycomrsucivilengineeringweeblycomuploads776477644974aral-ng · na ang usok na nag la sa pagsisiga ay nagdudulot ng pagnipis ng ozone layer na src=https:reader036vdocumentssitereader036viewer20220623185fe447749b16c51f100b4a5ehtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: rsucivilengineeringweeblycomrsucivilengineeringweeblycomuploads776477644974aral-ng · na ang usok na nag la sa pagsisiga ay nagdudulot ng pagnipis ng ozone layer na src=https:reader036vdocumentssitereader036viewer20220623185fe447749b16c51f100b4a5ehtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: rsucivilengineeringweeblycomrsucivilengineeringweeblycomuploads776477644974aral-ng · na ang usok na nag la sa pagsisiga ay nagdudulot ng pagnipis ng ozone layer na src=https:reader036vdocumentssitereader036viewer20220623185fe447749b16c51f100b4a5ehtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: rsucivilengineeringweeblycomrsucivilengineeringweeblycomuploads776477644974aral-ng · na ang usok na nag la sa pagsisiga ay nagdudulot ng pagnipis ng ozone layer na src=https:reader036vdocumentssitereader036viewer20220623185fe447749b16c51f100b4a5ehtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdiv