The mailing envelope, write the full name and address, the mailing envelope will have two reciprocals as the recipient's name, address and the name of the sender's address, which is similar to section 2.
The envelope was addressed by providing the name and address clearly. The envelope will contain two parts: the name and address of the recipient. And the name and address of the sender, which is similar to the second part.
To address a letter to write your name and address clearly. The address message will have 2 parts. Is the name and address of the recipient. The name and return address, which the 2 part similar to