This is the 3022nd most frequent Russian word.
заводов
"Заводов" means "factories" (genitive plural form of "завод").
Refers to physical manufacturing facilities.
В этом городе построено множество заводов.
In this city, many factories have been built.
Refers to the functional aspect or performance of factories.
Исследование показало рост производительности заводов.
The research showed an increase in the productivity of the factories.
Refers to a specific and identifiable manufacturing facility.