This is the 5262nd most frequent Portuguese word.
produzidos
"Produced."
In this sentence, 'produzidos' is employed as a past participle of the verb 'produzir' (to produce), serving as an adjective that describes 'materiais' (materials).
Os materiais produzidos pela escola ajudam no aprendizado.
The materials produced by the school help with learning.
Here, 'produzidos' describes 'produtos' (products) and indicates that they were created in the factory, emphasizing the source and origin.
Os produtos produzidos na fábrica são de alta qualidade.
The products produced in the factory are of high quality.
'Produzidos' in this case modifies 'documentários' (documentaries), emphasizing the creation aspect by the mentioned director.