Rewrite the sentence in reported speech​

Объяснение:

The fax machine is a very convenient aid to contact companies and friends because messages are transmitted immediately. Fax machines work like photocopiers. They make a copy of a document and then send it down a telephone line to another fax machine. In this way they can send and receive information from each other. You can send any kind of thigs by fax, but it is more expensive than e-mail.