Answer:
spread news throughout the city
I would say the answer is three (not 100% sure tho). It's definitely not 2 or 1
It is a printing press that is being shown, a form of machinery invented by Johannes Gutenberg around 1440 which was based around already invented screw presses. Here, a company, perhaps book or newspaper related, is busy using the printing press to making multiple copies of the same text again and again.
