div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails1jpg 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: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails2jpg 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: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails3jpg 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: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 6button div class=ts-image amp-img class=ts-thumb alt=Page 6: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 7button div class=ts-image amp-img class=ts-thumb alt=Page 7: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails7jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 8button div class=ts-image amp-img class=ts-thumb alt=Page 8: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails8jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 9button div class=ts-image amp-img class=ts-thumb alt=Page 9: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails9jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 10button div class=ts-image amp-img class=ts-thumb alt=Page 10: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails10jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 11button div class=ts-image amp-img class=ts-thumb alt=Page 11: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails11jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 12button div class=ts-image amp-img class=ts-thumb alt=Page 12: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails12jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 13button div class=ts-image amp-img class=ts-thumb alt=Page 13: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails13jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 14button div class=ts-image amp-img class=ts-thumb alt=Page 14: 勞工處 Labour Department · For enquiries on this booklet or advice on occupational health and hygiene matters please contact the Occupational Safety and Health Branch through: src=https:reader033vdocumentssitereader033viewer20220424185f3412fdbe508a52ce2d6bd4html5thumbnails14jpg width=142 height=106 layout=responsive amp-img divdiv