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[@professoroctaviogouveia2050](/creator/youtube/professoroctaviogouveia2050)
"Bombas Centrfugas Preparatrio p Operador da Petrobras #aula #online #curso #mecanica #aulas"  
[YouTube Link](https://youtube.com/watch?v=6kCdAUaTL78) [@professoroctaviogouveia2050](/creator/youtube/professoroctaviogouveia2050) 2025-10-23T21:56Z 6780 followers, XX engagements


"Aula X Estequiometria p Operador Petrobras #aulapresencial #aulaonline #cursopreparatrio #concurso"  
[YouTube Link](https://youtube.com/watch?v=Roo6FDiSe3o) [@professoroctaviogouveia2050](/creator/youtube/professoroctaviogouveia2050) 2025-10-23T16:31Z 6780 followers, XX engagements