This is the 16709th most frequent Russian word.
складах
"Складах" is the prepositional plural form of "склад," meaning "warehouses" or "storages" in English.
In this sentence, 'складах' is the plural prepositional case of 'склад', meaning 'warehouses', used to indicate location in or on the warehouses.
На складах хранится урожай.
The harvest is stored in the warehouses.
Here 'складах' again is the plural prepositional case of 'склад', indicating that the warehouses are the setting of the situation described.
Сейчас на складах не хватает людей.
Currently, there are not enough people in the warehouses.
In this example, 'складах' is used to indicate a location where the inventory process is taking place.