1. To make a cancellation means to cancel (cancelar).
2. To make certain of something means to check that something is correct – to make sure.
3. To take a chance means to try something risky (correr un riesgo)
4. To make a claim – reclamar
5. To make a complaint means quejarse
6. To make a concession (concesión)
7. To make contact with someone means to establish communication with them.
8. To make demands on someone means exigir.
9. To make a discovery is to discover something.
10. To make an enquiry means to ask.