The "used to farmers" are now being introduced to work in factories run by wealthy people.
The factory owner introduced the tenements to the families. In one room there will be 4-5 families all living together. The room was crowded which makes it difficult to breathe
The factory owner is actually very harsh and the wages are enough for the families to survive as a whole. They also fire workers unexpectedly so the workers are very concerned about their lives. The pollution is also very bad because machines causes pollution