This is the 16867th most frequent Russian word.
совершенных
"Совершенных" means "perfect" or "complete" in English.
Here, "совершенных" describes the technologies used in the construction, implying they are perfected or highly advanced.
Храм был построен с использованием совершенных технологий.
The temple was built using advanced technologies.
In this instance, "совершенных" relates to deeds or actions, emphasizing their completeness or moral perfection.
Мальчик рассказывал о праведных и совершенных деяниях святых.
The boy spoke about the righteous and perfect actions of the saints.
Here, "совершенных" is used in the context of mistakes, indicating actions that were completed or carried out.