This is the 724th most frequent Polish word.
prowadzone
"Conducted" or "carried out."
Here, 'prowadzone' is used as a past participle indicating that the projects are conducted (led or managed). It provides a description of the current state of the projects, emphasizing the ongoing involvement of engineers.
Projekty są prowadzone przez doświadczonych inżynierów.
The projects are conducted by experienced engineers.
In this context, 'prowadzone' pertains to how the meetings are carried out or facilitated, focusing on the medium or method utilized, namely the Polish language.
Spotkania są prowadzone w języku polskim.
The meetings are conducted in Polish.
Here 'prowadzone' defines the research being executed, particularly specifying the action of conducting scientific investigation into a subject (the new drug).