Confident proud smart man in his 30s or 40s pointing at himself acknowledging his achievement at a job well done solving a complex problem
Student explaining formulas to professor and classmates in high school
Senior professor pointing at formulas on chalkboard and explaining them to group of college students while giving lecture
Professor using a chalkboard to teach a science chemistry class, asking questions and pointing to have a student answer
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Medium shot of young Caucasian male startuper presenting his new program idea to team, pointing at scheme on chalkboard standing in garage office
Bald Businessman Pointing With His Hand
Man and His Daughter Pointing at a Windmill in a Windfarm
Man and His Daughter Pointing at a Windmill in a Windfarm
Senior man pointing at monitor screen in laboratory. Scientist showing something to intern on computer. Close up of lab worker turning face to mature colleague.
Engineer and His Daughter Pointing at a Windmill in a Windfarm
Man and His Daughter Pointing at a Windmill in a Windfarm
Engineer and His Daughter Pointing at a Windmill in a Windfarm