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Rear view of audience sitting and listening while mixed race businessman standing near podium and giving presentation on white projector in the auditorium
Conference speakers showing presentations on the stage
A spokesperson sits on the stage, gesturing with one arm while speaking into a microphone. The public address system amplifies their speech at the event
Large group of college students having a class in amphitheater while some of them are finding their seats in blurred motion.
Speaker talking in seminar with audience at business meeting for key of success stock photo. Business seminar stock photo. Confident male leader, coach talking with group of office workers stock photo.
A public speaker is pointing to the blank presentation screen.
Portrait of an Asian senior man holding microphone while looking at camera.
Santiago, Chile.  April 30th 2006.  A man preaching in the Plaza de Armas central square, Santiago.
Congressman giving a speech
Abstract blurred image of education and business people sitting in a seminar room. Speaker presents ideas sharing and question and answer activities. Education concept.
Unrecognized person sets the stage
A teenage young male university student is giving a presentation in a classroom in front of a screen and the blackboard, and gesturing with his hands. He is wearing a black shirt.
People learning in a lecture hall.
Middle-aged man making a speech with a microphone
Speaker addressing group. Businessman entrepreneur giving a lecture to a sold-out crowd in a lecture hall.
A handsome Asian senior adult businessman is giving a business presentation in a business meeting room.
Speaker at a business convention and presentations. The audience on the large number of people. The announcer with a microphone in his hands
Business woman doing presentation during conference
Mature male speaker talking on a pedestal and gesturing with finger isolated on white background
Businessman at the lectern delivering speech, copy space
A young student is giving a speech in a high school or university classroom holding a microphone. He is wearing a a blue golf shirt. The background is the blackboard and chairs.
A Japanese business executive standing at the microphones at a press conference. Taken on location in Kyoto, Japan.
Front view of mockup on big blank white screen with space in huge hall with scene and silhouette of audiences
On the university campus, a male professor is giving an angry lecture.
Mature gay business man doing presentation during conference
Confident elderly asian businessman in black suit speaking with microphone and shows outstretched hand with open palm standing over white wall background, Business presentation and seminar concept
Happy Asian public speaker feeling grateful while his colleagues are applauding him after successful speech on education event in convention center.
Business executive pointing while giving a speech at conference center
close up skilled asian senior male teacher is speaking in adult education class with slides on screen - students sitting on chair learning business communication skills
Free Images: "bestof:Eugene Tsui Speaks 2010.jpg This is a snapshot that I took of Eugene Tsui giving a public lecture with his permission I submit it to the public domain en"
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