I love learning about factories such as manufacturing plants and industrial sites
Nice! Wat do you know about them?
Well most modern factories have large warehouses that contain equipment for assembly line production
Yes! I've heard about that! It makes me think of Henry Ford and the Model T.
History of Ford Motor Company
The Ford Motor Company is an American automaker and the world's fifth largest automaker based on worldwide vehicle sales. Based in Dearborn, Michigan, a suburb of Detroit, the automaker was founded by Henry Ford, on June 16, 1903. Ford Motor Company would go on to become one of the largest and most profitable companies in the world, as well as being one of the few to survive the Great Depression. The largest family-controlled company in the world, the Ford Motor Company
workshops".
Most modern factories have large warehouses or warehouse-like facilities that contain heavy equipment used for assembly line production. Large factories tend to be located with access to multiple modes of transportation, with some having rail, highway and water loading and unloading facilities. 
Factories may either make discrete products or some type of material continuously produced such as chemicals, pulp and paper, or refined oil products. Factories manufacturing chemicals are often called "plants" and may have most of their equipment – tanks, pressure vessels