How many type of offset printing exist?

Q How manay type of printing we use?

A:
here are some types of printing we use for the publication.

1. digital printing
2. screen printing
3. offset printing machine
4. digital offset printing
5. offset printing equipment
6. offset printing ink
7. dry offset printing
8. offset printing technology

I will furthere provide the tutorials about the details of types of printing later.
enjoy you stay!