How to Use "thereof" with Example Sentences

1. Closed runways and taxiways , or parts thereof .
2. I focussed on the integral , rather than the time derivative thereof .
3. All disputes , controversies or differences out of or in relation to this agreement , or to the execution thereof shall be settled through friendly consultation .
4. All completed schedules collected or received by census officers for a survey and all copies thereof shall be destroyed not later than 24 months after the relevant survey period .
5. Thereof , it is necessary to reform the conventional management mode .