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Beautiful girl with teacher solves formula on a white board

Businesswoman doing in house training in the office giving a presentation to a young business team, close up view from behind her towards the audience

Pretty Caucasian woman teacher standing and explaining lesson to students at classroom.

Knowledge. Female speaker giving presentation in hall at university workshop. Audience or conference hall. Rear view of unrecognized participants. Scientific, business conference event, training.

Business team at presentation, back view

Professional young businessman is making a presentation in office. He is standing near the whiteboard and smiling. His colleagues are sitting and writing down the information

Smiling young woman using laptop and chatting with colleagues at work stock photo

Serious bearded businessman describing scheme while gesticulating hands. Concentrated partners looking at it. Profession concept

Man standing near white board with diagram and speaking to group of colleagues

Pretty smiling lady using modern laptop at work stock photo

Positive female describing how to create modern toy while standing near board with picture. Glad man working with laptop to take commands for it

Skillful young businessman is showing a presentation to his colleagues. He is standing and pointing at the diagram on board. The men and women are sitting and smiling