This is the 4592nd most frequent Russian word.
груза
The Russian word "груза" is the genitive singular or nominative/accusative plural form of "груз," meaning "cargo" or "load."
Here, 'грузом' is used in the instrumental case to indicate the means or instrument related to the action, describing the object being carried or addressed (a heavy load).
Я помогал разгружать машину с тяжелым грузом.
I helped unload the truck carrying a heavy load.
In this sentence, 'груза' appears in the genitive plural form, indicating possession or association between the sections and the items (loads) they contain.
Сотрудники склада правильно распределили груза по секциям.
The warehouse staff correctly allocated the loads across the sections.
'Груза' in this context is in the genitive singular form, modifying and describing 'specific cargo,' indicating the type or specification of the object discussed.