Răspuns:
1. Something which we wear when we do water sports
2. A person who treats sick animals
3. A machine which allows us to store information
4. A person who puts out fires
5. A tool which we use to hit nails into wood
6. A person who carries luggages
Explicație:
Folosesti "who" pentru fiinte, iar "which" pentru obiecte. Succes!