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students writing a test in school
concentrating businessmen working together in the
Media-id B37879493
concentrating surgeons performing operation in operating
Media-id D13751732
concentrating students at the lecture hall
Media-id B47778595
concentrating doctor using a tablet
concentrating young technician working with his
concentrating young technician working with his
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Media-id B39154503
concentrating on drawing
attractive businesswoman drive luxury car
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businesswoman sat in chair concentrating
concentrating surgeons performing operation with iv
schoolboy in school uniform concentrating ngeteti
Media-id D22744884
portrait of young woman with eyes
active child
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businessman solving jigsaw puzzle
optometrist doing sight testing for senior
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Media-id B8840532
close up of a young man
man is concentrating while measuring
businessman concentrating
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Media-id D10418940
portrait of man concentrating
pretty young woman calling on her
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pretty young woman calling on her
pretty young woman calling on her
concentrating school boy covering work in
serious businessman concentrating using smart phone
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pretty young woman calling on her
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coach and kids concentrating toghether
coworkers concentrating on pictures
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Media-id D10418918
concentrating couple sailing yacht
boy concentrating on writing homework
brother and sister concentrating whilst eating
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business man is concentrating during his
Media-id D8704704
business man is concentrating during his
Media-id B18984497
business man is concentrating during his
business man is concentrating during his
business man concentrating during his work
concentrating surgeons performing operation in operating
woman concentrating typing on computer
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Media-id D3374093
 
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