This is the 12753rd most frequent Portuguese word.
utilizadas
"Utilizadas" means "used" in English.
The word 'utilizadas' here is used as a past participle adjective to describe 'ferramentas' (tools) being employed or utilized in an action (the project).
As ferramentas utilizadas no projeto foram de alta qualidade.
The tools used in the project were of high quality.
In this sentence, 'utilizadas' continues as a past participle forming a passive voice statement indicating the usage of techniques by the scientists.
As técnicas utilizadas pelos cientistas ajudaram a resolver o problema.
The techniques used by the scientists helped solve the problem.
Here, 'utilizadas' is again functioning in a passive voice construction, indicating that the strategies were the object of utilization in the improvement actions.