Lecturer tells and shows presentation on projector screen - one listener speaks phone
A business hall. A projector for the presentation
A business conference. A working projector for presentation
Well trained female spokesperson showing presention material on big screen to audience using video projector at business seminar.
Businessman in formalwear pointing at graph projected on screen and giving presentation to audience during conference
A business hall. A projector for the presentation. The light turning on
A business conference. A working projector for presentation showing
film projector, defocused image flickers on a projector screen.
NEW
Male speaker with microphone pointing on projection screen and giving presentation to audience during business conference
rest, Belarus - MAY 9, 2018: Rear view of the audience at the business conference. Big screen. Presentation. ;rear view of the audience at the business conference.
A business hall. A projector for the presentation suspended above the ceiling
Audience Listening To Speaker At Conference Presentation