Architect is constructing sky scrapper
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Employee rivalry
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Happy girl
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Man experiences stress in his mind
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Neurosurgeon are doing brain surgery
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Online medical consultation
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Stressed girl
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Woman have double face
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Woman moves progress bar slider to speed up downloading speed
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Call center employees with headsets for telephone sales sit at table with laptops and advise potential buyers. Call center with business people talking to clients via IP telephony.