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    Science professor helping college student conducting scientific experiment in science laboratory classroom — Stock Photo
    Science professor helping college student conducting scientific experiment in science laboratory classroom
    Engineer taking notes on a writing pad at a wind farm — Stock Photo
    Engineer taking notes on a writing pad at a wind farm
    College students listening and taking notes in classroom — Stock Photo
    College students listening and taking notes in classroom
    Focused businessman taking notes in meeting — Stock Photo
    Focused businessman taking notes in meeting
    Engineer taking notes on a writing pad at a wind farm — Stock Photo
    Engineer taking notes on a writing pad at a wind farm
    Smiling, attentive businesswoman listening in conference audience — Stock Photo
    Smiling, attentive businesswoman listening in conference audience
    Man taking notes on stone — Stock Photo
    Man taking notes on stone
    Man doing homework in adult education classroom — Stock Photo
    Man doing homework in adult education classroom
    Jeweler and apprentice working in workshop — Stock Photo
    Jeweler and apprentice working in workshop
    Businesswoman in audience taking notes at business conference — Stock Photo
    Businesswoman in audience taking notes at business conference
    Portrait smiling college students in lab coats with notebooks in science laboratory classroom — Stock Photo
    Portrait smiling college students in lab coats with notebooks in science laboratory classroom
    Jeweler teaching apprentice in workshop — Stock Photo
    Jeweler teaching apprentice in workshop
    Portrait smiling college students in science lab coats — Stock Photo
    Portrait smiling college students in science lab coats
    Jeweler and apprentice with digital tablet in workshop — Stock Photo
    Jeweler and apprentice with digital tablet in workshop
    Women tasting food in cooking class kitchen — Stock Photo
    Women tasting food in cooking class kitchen
    Lawyer taking notes in chambers — Stock Photo
    Lawyer taking notes in chambers
    Students studying in adult education classroom — Stock Photo
    Students studying in adult education classroom
    College students studying in classroom together — Stock Photo
    College students studying in classroom together
    Female designer examining prototype and taking notes — Stock Photo
    Female designer examining prototype and taking notes
    College students taking notes in classroom — Stock Photo
    College students taking notes in classroom
    Therapist listening to couple in couples therapy counseling session — Stock Photo
    Therapist listening to couple in couples therapy counseling session
    Mechanics discussing car engine in auto repair shop — Stock Photo
    Mechanics discussing car engine in auto repair shop
    Smiling senior woman studying in adult education classroom — Stock Photo
    Smiling senior woman studying in adult education classroom
    College students in lab coats discussing notes in science laboratory classroom — Stock Photo
    College students in lab coats discussing notes in science laboratory classroom
    Therapist taking notes and listening to couple in couples therapy counseling session — Stock Photo
    Therapist taking notes and listening to couple in couples therapy counseling session
    Young woman writing in notepad on balcony in city — Stock Photo
    Young woman writing in notepad on balcony in city
    Focused college student using digital tablet in science laboratory classroom — Stock Photo
    Focused college student using digital tablet in science laboratory classroom
    Businessman taking notes at computer in office — Stock Photo
    Businessman taking notes at computer in office
    College students conducting scientific experiment in science laboratory classroom — Stock Photo
    College students conducting scientific experiment in science laboratory classroom
    Smiling businesswoman talking on cell phone and taking notes in conference room — Stock Photo
    Smiling businesswoman talking on cell phone and taking notes in conference room
    Server room technician with clipboard — Stock Photo
    Server room technician with clipboard
    Portrait smiling confident businesswoman working late at laptop in dark office — Stock Photo
    Portrait smiling confident businesswoman working late at laptop in dark office
    Close up businesswoman taking notes in meeting — Stock Photo
    Close up businesswoman taking notes in meeting
    College students in lab coats discussing notes in science laboratory classroom — Stock Photo
    College students in lab coats discussing notes in science laboratory classroom
    Female college student taking notes in science laboratory classroom — Stock Photo
    Female college student taking notes in science laboratory classroom
    Attentive business people listening in meeting — Stock Photo
    Attentive business people listening in meeting
    Smiling businesswoman taking notes in meeting — Stock Photo
    Smiling businesswoman taking notes in meeting
    Smiling businesswomen meeting reviewing paperwork in office lobby — Stock Photo
    Smiling businesswomen meeting reviewing paperwork in office lobby
    Male supervisor with clipboard at machinery control panel in fiber optics factory — Stock Photo
    Male supervisor with clipboard at machinery control panel in fiber optics factory
    Science professor helping college student in science laboratory classroom — Stock Photo
    Science professor helping college student in science laboratory classroom
    College students studying at table together — Stock Photo
    College students studying at table together
    Portrait confident businessman writing on clipboard in office — Stock Photo
    Portrait confident businessman writing on clipboard in office
    Smiling creative business people using laptop and brainstorming — Stock Photo
    Smiling creative business people using laptop and brainstorming
    Smiling students talking in adult education classroom — Stock Photo
    Smiling students talking in adult education classroom
    Students taking notes in adult education classroom — Stock Photo
    Students taking notes in adult education classroom
    Tailor taking notes in notebook in menswear shop — Stock Photo
    Tailor taking notes in notebook in menswear shop
    Vintner in lab coat with clipboard in winery cellar — Stock Photo
    Vintner in lab coat with clipboard in winery cellar
    Man talking in group therapy session — Stock Photo
    Man talking in group therapy session
    Couple listening to therapist in couples therapy counseling session — Stock Photo
    Couple listening to therapist in couples therapy counseling session
    Smiling women talking in group therapy session — Stock Photo
    Smiling women talking in group therapy session
    Young friend college students studying at table — Stock Photo
    Young friend college students studying at table
    Vintner in lab coat on platform in winery cellar — Stock Photo
    Vintner in lab coat on platform in winery cellar
    Happy young man making notes in cafe — Stock Photo
    Happy young man making notes in cafe
    Tailors discussing suit and taking notes in menswear shop — Stock Photo
    Tailors discussing suit and taking notes in menswear shop
    Tailors examining suit and taking notes in menswear shop — Stock Photo
    Tailors examining suit and taking notes in menswear shop
    Chinese auto mechanic taking notes while examining car — Stock Photo
    Chinese auto mechanic taking notes while examining car
    Chinese auto mechanic taking notes while examining car — Stock Photo
    Chinese auto mechanic taking notes while examining car
    Chinese doctor taking pulse of patient in hospital — Stock Photo
    Chinese doctor taking pulse of patient in hospital
    Architects discussing blueprint — Stock Photo
    Architects discussing blueprint
    Woman scrolling through messages on smartphone — Stock Photo
    Woman scrolling through messages on smartphone