Create 7 sentences about consumer rights and responsibilities based on the provided table.

Here are the correct sentences formed from the table:

1. A consumer should read the labels of products carefully to know the products' contents and uses.
2. A consumer should always confirm the expiry date of a product before buying it.
3. A consumer should make a complaint about defective, overpriced or underweight goods.
4. A consumer should always ask for a receipt after buying a product or paying for a service.
5. A consumer should read, understand and follow all the manufacturer's instructions on the use of a product.
6. A consumer should understand the terms of sale of a product or service, such as the warranty period.
7. A consumer should only buy products that are not harmful to the environment.