Factory-working and Middle-class

Middle-class and factory-working are semantically related. in of manual workers topic. In some cases you can use "Middle-class" instead an adjective phrase "Factory-working".

Middle-class adjective - Occupying a socioeconomic position intermediate between those of the lower classes and the wealthy.

Factory-working and middle-class are semantically related. You can use "Factory-working" instead an adjective phrase "Middle-class".