1. The Fez market in Morocco, which is one of the oldest in the world, has thousands of different shops.
2. Many shops, which issue loyalty cars, offer special advantages to their customers.
3. My father, who has 7 credit cars, prefers plastic money to cash.
4. Shopping centers are usually cheaper than high street shops, which don't always offer better quality.
5. My aunt, who hates department stores, buys all her clothes from charity shops.
6. Mark, who is a security guard at the mall, helped me park.
(NON-DEFINING RELATIVE CLAUSES это слова типа WHO, WHOSE, WHICH, WHERE и др.)