Teen boy speaking while holding pc tablet. Smart teen guy giving a lecture. Brown blur background.
Manager Assigning Task to Programmers for New Security Software Development
Tilt closeup of Caucasian bald military professor in formalwear speaking and gesticulating while giving lecture in service academy
Black Girl Giving Testimony Speaking In Front Of Camera
Woman business coach wearing headset speaking in conference room and gesturing. Female lecturer giving motivation speech for audience. Concept of education
NEW
Qualified engineer talking cell phone giving work instructions close up. Factory worker discussing production development by smartphone.
Male architect presenting materials and speaking at conference
Young public speaker on wheelchair in conference room full of people giving lecture on marketing
Young software specialist presenting with digital tablet. Youth and technology concept.