3. Fax machine
You want to send a copy of a document overseas urgently, you would use Fax machine.
Fax machine is a machine which scan any image or document start to end and then send it to the receiver. On the other end, that scan is printed out by fax machine in image or document form.
The whole process is done over telephone lines. You can scan and send a copy to overseas urgently over tele line.