Vocational Training Council (VTC)
http://www.vtc.edu.hk/html/en/index.html

Employees Retraining Board (ERB)
http://www.erb.org/home/erb/en/​

Labour Department Interactive Employment Service (HKSARG)
http://www2.jobs.gov.hk/1/0/WebForm/Default.aspx

Hong Kong Observatory
http://www.hko.gov.hk/contente.htm

Occupation Dictionary
https://occupation-dictionary.vtc.edu.hk/