Trigram representation

I read that the trigram ☰Heaven represents Lawyer, ☳Thunder represents Musician, and ☵River represents Chemist. Does anyone know which trigrams represent the following occupations?

Accountant; Actuary; Bookkeeper; Personal Secretary; Human Resource Personnel; Economist
Sailor; Army Officer; Submariner
Cartoonist; Tailor; Fashion Designer; Industrial Designer; Photographer
Aircraft Engineer; Chemical Engineer; Oil Rigger; Industrial Designer
Computer Programmer; System Analyst; Electronics Engineer
Fortune Teller; Sorcerer; Wizard / Witch; Spirit / Ghost
Warehouse Foreman; Export / Importer; Logistician
Security Officer; Criminal; Police; Secret Service; Inspector
Librarian; Council Worker; Public Servant; Politician; Lobbyist
Laboratory Technician; Scientist; Carthographer
Stockbroker; Insurance Broker; Mortgage Broker;