Programming and foreign languages.
I am programmer with 30 years experiences.
I have worked in many programmers languages, DB and O.S. e.g.:
VBA,Vb.net, C/C++, C#, SQL, PL SQL, PASCAL, DELPHI, Fox Pro, Macro Assembler,
Dos, WIN95 , 98 , NT , 2000 , XP, VISTA, WIN7, WIN8,WIN10, LINUX, UNIX,
Oracle, MS SQL, MySQL, MS ACCESS.