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    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies. — Stock Photo
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies.
    Scientific laboratory researcher making chemical experiment. — Stock Photo
    Scientific laboratory researcher making chemical experiment.
    Community college instructor helping student with headphones at computer in computer lab classroom — Stock Photo
    Community college instructor helping student with headphones at computer in computer lab classroom
    High school students and teacher clapping debate class — Stock Photo
    High school students and teacher clapping debate class
    Female design professional talking on cell phone in office — Stock Photo
    Female design professional talking on cell phone in office
    Young Hispanic curly haired woman in denim outfit and glasses looking at camera while sitting with laptop on wooden bench in enclosed urban passage — Stock Photo
    Young Hispanic curly haired woman in denim outfit and glasses looking at camera while sitting with laptop on wooden bench in enclosed urban passage
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Audience using laptop, digital tablet and cell phone in audience at technology conference — Stock Photo
    Audience using laptop, digital tablet and cell phone in audience at technology conference
    Happy mature female teacher sitting at school desk — Stock Photo
    Happy mature female teacher sitting at school desk
    Portrait smiling woman wearing medical boot in wheelchair in corridor — Stock Photo
    Portrait smiling woman wearing medical boot in wheelchair in corridor
    Portrait of a Caucasian female teacher wearing face mask standing with her arms crossed in class in the classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic — Stock Photo
    Portrait of a Caucasian female teacher wearing face mask standing with her arms crossed in class in the classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic
    Female community college instructor helping students using computers in computer lab classroom — Stock Photo
    Female community college instructor helping students using computers in computer lab classroom
    Woman with braids reading and discussing notes on whiteboard while working in modern laboratory together — Stock Photo
    Woman with braids reading and discussing notes on whiteboard while working in modern laboratory together
    High school teacher supervising students taking exam at desks — Stock Photo
    High school teacher supervising students taking exam at desks
    Portrait of confident junior high teacher in library — Stock Photo
    Portrait of confident junior high teacher in library
    Female nurses talking in conference audience — Stock Photo
    Female nurses talking in conference audience
    Rear view of a Caucasian male high school teacher sitting on a chair on the stage in an empty school theatre and pointing during rehearsals for a performance, preparing a multi-ethnic group of teenage high school students for a performance — Stock Photo
    Rear view of a Caucasian male high school teacher sitting on a chair on the stage in an empty school theatre and pointing during rehearsals for a performance, preparing a multi-ethnic group of teenage high school students for a performance
    Side view of young man with cup of coffee writing in notepad while sitting at table behind glass and studying in cafeteria — Stock Photo
    Side view of young man with cup of coffee writing in notepad while sitting at table behind glass and studying in cafeteria
    Side view of a male Caucasian teacher standing and talking with a teenage Caucasian boy working on a computer and concentrating in a classroom, with teenage male classmates sitting at desks working in the foreground and background — Stock Photo
    Side view of a male Caucasian teacher standing and talking with a teenage Caucasian boy working on a computer and concentrating in a classroom, with teenage male classmates sitting at desks working in the foreground and background
    Active seniors clapping for instructor in circle in community center — Stock Photo
    Active seniors clapping for instructor in circle in community center
    Thoughtful teenage girl sitting in classroom at university — Stock Photo
    Thoughtful teenage girl sitting in classroom at university
    Black colleagues examining denture in laboratory — Stock Photo
    Black colleagues examining denture in laboratory
    Chinese children holding hands and walking while parents watching in background — Stock Photo
    Chinese children holding hands and walking while parents watching in background
    Side view of a male Caucasian teacher standing and talking with a teenage African American female high school student working on a computer and concentrating in a classroom — Stock Photo
    Side view of a male Caucasian teacher standing and talking with a teenage African American female high school student working on a computer and concentrating in a classroom
    Teacher and schoolgirl using laptop in science center — Stock Photo
    Teacher and schoolgirl using laptop in science center
    Women at sewing machines taking sewing class — Stock Photo
    Women at sewing machines taking sewing class
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    Focused little girl leaning on table and coloring pictures at book with marker pen on blurred background of room at home — Stock Photo
    Focused little girl leaning on table and coloring pictures at book with marker pen on blurred background of room at home
    Community college instructor and students discussing paperwork in classroom — Stock Photo
    Community college instructor and students discussing paperwork in classroom
    Side view of worker in apron using laptop in workshop — Stock Photo
    Side view of worker in apron using laptop in workshop
    University student raising hand in classroom at university — Stock Photo
    University student raising hand in classroom at university
    Female art students listening to instructor in art painting class workshop — Stock Photo
    Female art students listening to instructor in art painting class workshop
    Concentrated man with backpack studying at laptop sitting in park grass with crossed legs in sunny day — Stock Photo
    Concentrated man with backpack studying at laptop sitting in park grass with crossed legs in sunny day
    Portrait confident, smiling community college instructor preparing in classroom — Stock Photo
    Portrait confident, smiling community college instructor preparing in classroom
    Active seniors high-fiving in circle huddle — Stock Photo
    Active seniors high-fiving in circle huddle
    Male community college instructor leading lesson in classroom — Stock Photo
    Male community college instructor leading lesson in classroom
    Faceless female freelancer making notes at table at workplace — Stock Photo
    Faceless female freelancer making notes at table at workplace
    Male instructor helping students in shop class workshop — Stock Photo
    Male instructor helping students in shop class workshop
    Closeup cropped man turning pegs and tuning guitar during rehearsal in home studio — Stock Photo
    Closeup cropped man turning pegs and tuning guitar during rehearsal in home studio
    Young female student lying on bed with laptop and textbooks and messaging on smartphone during remote online studies at home — Stock Photo
    Young female student lying on bed with laptop and textbooks and messaging on smartphone during remote online studies at home
    Black woman eating delivery food and reading data from laptop during studies — Stock Photo
    Black woman eating delivery food and reading data from laptop during studies
    From above of crop student with artificial dental model and bur learning training in dental treatments during class in laboratory — Stock Photo
    From above of crop student with artificial dental model and bur learning training in dental treatments during class in laboratory
    Black colleagues examining denture in laboratory — Stock Photo
    Black colleagues examining denture in laboratory
    From above boy in jockey suit and helmet cleaning coat of skewbald pony with rough brush while standing on sandy ground of dressage arena in equestrian school — Stock Photo
    From above boy in jockey suit and helmet cleaning coat of skewbald pony with rough brush while standing on sandy ground of dressage arena in equestrian school
    Little boy in jockey helmet and gloves carrying soft saddle pad during lesson in horseback riding school — Stock Photo
    Little boy in jockey helmet and gloves carrying soft saddle pad during lesson in horseback riding school
    Company of men learning during workshop — Stock Photo
    Company of men learning during workshop
    Male teacher helping junior high school students at desk in classroom — Stock Photo
    Male teacher helping junior high school students at desk in classroom
    Top view flat lay composition with colorful markers and sticky notes arranged near planner calendar on yellow background — Stock Photo
    Top view flat lay composition with colorful markers and sticky notes arranged near planner calendar on yellow background
    Female high school teacher leading lesson at projection screen in classroom — Stock Photo
    Female high school teacher leading lesson at projection screen in classroom
    Focused male students in shop class workshop — Stock Photo
    Focused male students in shop class workshop
    Male teacher calling on students in classroom — Stock Photo
    Male teacher calling on students in classroom
    Teacher leading lesson at touch screen in classroom — Stock Photo
    Teacher leading lesson at touch screen in classroom
    Male teacher teaching students in the classroom at school — Stock Photo
    Male teacher teaching students in the classroom at school
    Girl writing on book — Stock Photo
    Girl writing on book
    Portrait happy, confident male community college instructor leading lesson in classroom — Stock Photo
    Portrait happy, confident male community college instructor leading lesson in classroom
    Male community college instructor leading lesson at projection screen in classroom — Stock Photo
    Male community college instructor leading lesson at projection screen in classroom
    Male community college instructor leading lesson in classroom — Stock Photo
    Male community college instructor leading lesson in classroom
    From above crop female student holding denture while sitting at table during dentistry class — Stock Photo
    From above crop female student holding denture while sitting at table during dentistry class
    Portrait of a female Caucasian teacher wearing face mask standing with her arms crossed in classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Portrait of a female Caucasian teacher wearing face mask standing with her arms crossed in classroom. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    High school students with hands raised during lesson in classroom — Stock Photo
    High school students with hands raised during lesson in classroom