(Advertisement for radios, published in 1923).
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.
Many ways but idk a specific one
Answer:
if I remember correctly its built permanent shelters
Explanation:
because they always traveled
