安全使用升降機及扶手電梯
https://www.housingauthority.gov.hk/tc/about-us/community-engagement/safe-living/safe-use-of-lifts-and-escalators/index.html
http://www.mtr.com.hk/ch/customer/main/Escalator_Safety_Campaign_2015.html
https://www.e123.hk/ElderlyPro/details/133172/67/
pdf
http://www.emsd.gov.hk/filemanager/tc/content_826/emsd_Mcdull_booklet-final.pdf
