Which prepositions can be used with "competence"?
Specificially, which of the following examples are valid/legal:
- I have competence on computers
- I have competence with computers
- I have competence as a programmer
- Our company has competence in programming
- Our company has competence on programming
- Our company has competence with programming and cooking
- Our company has competence within the fields of programming and cooking
- Our company has several employees with competence with programming
- Our company has several employees with programming competence