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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.
    Teacher and curious students stacking large dominos in science center — Stock Photo
    Teacher and curious students stacking large dominos in science center
    Mature teacher explaining student — Stock Photo
    Mature teacher explaining student
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies. — Stock Photo
    Female and male doctors practicing cardiopulmonary resuscitation on infant training dummies.
    Photography students with digital camera and memory card at computer — Stock Photo
    Photography students with digital camera and memory card at computer
    Doctors practicing Heimlich manoeuvre on training dummy. — Stock Photo
    Doctors practicing Heimlich manoeuvre on training dummy.
    Side view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting a desk, with teenage classmates sitting at desks working in the background — Stock Photo
    Side view of a Caucasian male high school teacher, standing and talking with a teenage Caucasian girl in a school classroom sitting a desk, with teenage classmates sitting at desks working in the background
    Portrait happy fashion designer working at sewing machine — Stock Photo
    Portrait happy fashion designer working at sewing machine
    Teacher explaining students in classroom — Stock Photo
    Teacher explaining students in classroom
    Pharmaceutical businessman explaining medication at podium at conference — Stock Photo
    Pharmaceutical businessman explaining medication at podium at conference
    Children raising hands — Stock Photo
    Children raising hands
    Female junior high teacher helping girl student at computer in computer lab — Stock Photo
    Female junior high teacher helping girl student at computer in computer lab
    Teacher looking at boy — Stock Photo
    Teacher looking at boy
    Attentive surgeons, doctors and nurses listening in meeting — Stock Photo
    Attentive surgeons, doctors and nurses listening in meeting
    Rear view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question, their male teacher standing in the background — Stock Photo
    Rear view of multi-ethnic group of high school teenagers in a school classroom sitting at desks, all raising their hands to answer a question, their male teacher standing in the background
    Smiling male teacher leading lesson in classroom — Stock Photo
    Smiling male teacher leading lesson in classroom
    Side view of concentrated young multiethnic male colleagues in casual outfits working remotely on laptops sitting at table at home — Stock Photo
    Side view of concentrated young multiethnic male colleagues in casual outfits working remotely on laptops sitting at table at home
    Medical students practicing Heimlich manoeuvre on training dummy. — Stock Photo
    Medical students practicing Heimlich manoeuvre on training dummy.
    Instructor helping active seniors stretching legs, exercising with straps — Stock Photo
    Instructor helping active seniors stretching legs, exercising with straps
    Female teacher and multi-ethnic students in classroom — Stock Photo
    Female teacher and multi-ethnic students in classroom
    Female art students listening to instructor in art painting class workshop — Stock Photo
    Female art students listening to instructor in art painting class workshop
    Side view of adult woman in white robe opening case with new equipment while working in modern lab — Stock Photo
    Side view of adult woman in white robe opening case with new equipment while working in modern lab
    Concentrated young African American female freelancer with curly long hair in casual clothes and eyeglasses sitting on comfortable bed with laptop and notebook during remote work — Stock Photo
    Concentrated young African American female freelancer with curly long hair in casual clothes and eyeglasses sitting on comfortable bed with laptop and notebook during remote work
    Cropped unrecognizable young Latin American female student reading information on laptop screen while preparing for university exam in cozy cafe — Stock Photo
    Cropped unrecognizable young Latin American female student reading information on laptop screen while preparing for university exam in cozy cafe
    Young male researcher looking at sample under microscope in laboratory. — Stock Photo
    Young male researcher looking at sample under microscope in laboratory.
    Female fashion designer working at sewing machine — Stock Photo
    Female fashion designer working at sewing machine
    Teacher and schoolboy using digital tablet — Stock Photo
    Teacher and schoolboy using digital tablet
    Portrait confident male instructor with arms crossed in classroom — Stock Photo
    Portrait confident male instructor with arms crossed in classroom
    Junior high students using computers in computer lab — Stock Photo
    Junior high students using computers in computer lab
    Female scientist researching sample in laboratory. — Stock Photo
    Female scientist researching sample in laboratory.
    Schoolgirl raising hand — Stock Photo
    Schoolgirl raising hand
    Female Caucasian teacher teaching a mixed race boy during the lesson. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Female Caucasian teacher teaching a mixed race boy during the lesson. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Black colleagues examining denture in laboratory — Stock Photo
    Black colleagues examining denture in laboratory
    Thoughtful teenage girl sitting in classroom at university — Stock Photo
    Thoughtful teenage girl sitting in classroom at university
    Male teacher in classrom, Taung Ba Primary School, Mandalay Province, Taung Ba, Taungtha, Mandalay Region, Myanmar — Stock Photo
    Male teacher in classrom, Taung Ba Primary School, Mandalay Province, Taung Ba, Taungtha, Mandalay Region, Myanmar
    Teacher explaining students in classroom — Stock Photo
    Teacher explaining students in classroom
    High school students clapping for teacher in debate class — Stock Photo
    High school students clapping for teacher in debate class
    Company of men learning during workshop — Stock Photo
    Company of men learning during workshop
    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
    Male community college instructor talking with student in classroom — Stock Photo
    Male community college instructor talking with student in classroom
    Front view of a male Caucasian teacher standing, holding a tablet computer and talking to a multi-ethnic group of teenagers in a school high school classroom sitting at desks and listening — Stock Photo
    Front view of a male Caucasian teacher standing, holding a tablet computer and talking to a multi-ethnic group of teenagers in a school high school classroom sitting at desks and listening
    Female artist screen printing in art studio — Stock Photo
    Female artist screen printing in art studio
    Black woman making marks on document while lying on bed and studying at home — Stock Photo
    Black woman making marks on document while lying on bed and studying at home
    Female scientist and students examining molecule models in lab — Stock Photo
    Female scientist and students examining molecule models in lab
    Teacher and students at interactive exhibit in science center — Stock Photo
    Teacher and students at interactive exhibit in science center
    Female Caucasian teacher and mixed race boy wearing face masks using laptop in class at school. Primary education social distancing health safety during Covid19 Coronavirus pandemic. — Stock Photo
    Female Caucasian teacher and mixed race boy wearing face masks using laptop in class at school. Primary education social distancing health safety during Covid19 Coronavirus pandemic.
    Male teacher at touch screen leading lesson in classroom — Stock Photo
    Male teacher at touch screen leading lesson in classroom
    Female artist screen printing in studio — Stock Photo
    Female artist screen printing in studio
    Teacher and students playing at interactive construction exhibit in science center — Stock Photo
    Teacher and students playing at interactive construction exhibit in science center
    Young asian people working together working together with laptop in office — Stock Photo
    Young asian people working together working together with laptop in office
    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
    Back view of unrecognizable female doctor looking through modern microscope while at sample while working in modern clinic — Stock Photo
    Back view of unrecognizable female doctor looking through modern microscope while at sample while working in modern clinic
    Happy mature female teacher sitting at school desk — Stock Photo
    Happy mature female teacher sitting at school desk
    Female fashion designers pinning dress on dressmakers model in studio — Stock Photo
    Female fashion designers pinning dress on dressmakers model in studio
    Female fashion designers planning in studio — Stock Photo
    Female fashion designers planning in studio
    Young female scientist doing experiment with liquid in laboratory. — Stock Photo
    Young female scientist doing experiment with liquid in laboratory.
    Biotechnology female scientist working in laboratory. — Stock Photo
    Biotechnology female scientist working in laboratory.
    Side view of concentrated man with backpack studying at laptop and writing on a notepad sitting in park grass with crossed legs in sunny day — Stock Photo
    Side view of concentrated man with backpack studying at laptop and writing on a notepad sitting in park grass with crossed legs in sunny day
    African American female specialist with dreadlocks adjusting and turning on lamp of binocular glasses while working in contemporary laboratory — Stock Photo
    African American female specialist with dreadlocks adjusting and turning on lamp of binocular glasses while working in contemporary laboratory
    Portrait confident male high school teacher in classroom — Stock Photo
    Portrait confident male high school teacher in classroom