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    Rear view of a professor with Muscular Dystrophty sitting in a wheelchair — Stock Photo
    Rear view of a professor with Muscular Dystrophty sitting in a wheelchair
    Happy mature female teacher sitting at school desk — Stock Photo
    Happy mature female teacher sitting at school desk
    Fashion designers using sewing machines — Stock Photo
    Fashion designers using sewing machines
    Female photography instructor helping student at computer in classroom — Stock Photo
    Female photography instructor helping student at computer in classroom
    Women using sewing machine in sewing class — Stock Photo
    Women using sewing machine in sewing class
    Male electrician students practicing in workshop — Stock Photo
    Male electrician students practicing in workshop
    Doctor and residents examining patient in hospital room — Stock Photo
    Doctor and residents examining patient in hospital room
    Side view of a Caucasian male high school teacher, standing and talking with a multi-ethnic group of female high school students in a school classroom sitting at a desk — Stock Photo
    Side view of a Caucasian male high school teacher, standing and talking with a multi-ethnic group of female high school students in a school classroom sitting at a desk
    Portrait of bearded man using phone and writing at table — Stock Photo
    Portrait of bearded man using phone and writing at table
    Positive young female freelancer in casual clothes sitting with legs crossed on bed and typing on laptop while working on remote project at home — Stock Photo
    Positive young female freelancer in casual clothes sitting with legs crossed on bed and typing on laptop while working on remote project at home
    Asian woman reading textbook while leaning on brick wall in university campus — Stock Photo
    Asian woman reading textbook while leaning on brick wall in university campus
    Female teacher and girl students researching at laptop in library — Stock Photo
    Female teacher and girl students researching at laptop in library
    Female artist screen printing in art studio — Stock Photo
    Female artist screen printing in art studio
    Female artists painting picture frames in art class workshop — Stock Photo
    Female artists painting picture frames in art class workshop
    Laughing active seniors meeting in circle in community center — Stock Photo
    Laughing active seniors meeting in circle in community center
    Female fashion designers at dressmakers model in studio — Stock Photo
    Female fashion designers at dressmakers model in studio
    High school teacher talking with students at table in classroom — Stock Photo
    High school teacher talking with students at table in classroom
    Portrait from above of enthusiastic junior high students and teachers cheering — Stock Photo
    Portrait from above of enthusiastic junior high students and teachers cheering
    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
    Portrait of smiling, confident female teacher — Stock Photo
    Portrait of smiling, confident female teacher
    Focused girl doing homework assignment while sitting near adult woman sewing garment at home — Stock Photo
    Focused girl doing homework assignment while sitting near adult woman sewing garment at home
    Community college instructor helping student using computer in classroom — Stock Photo
    Community college instructor helping student using computer in classroom
    Teacher and students looking at exhibit in science center — Stock Photo
    Teacher and students looking at exhibit in science center
    Bearded man sitting on floor and using laptop at home — Stock Photo
    Bearded man sitting on floor and using laptop at home
    Smiling teacher talking to high school students on street — Stock Photo
    Smiling teacher talking to high school students on street
    Side view of a Caucasian male high school teacher sitting on a chair on the stage in an empty school theatre during rehearsals for a performance, preparing a multi-ethnic group of teenager high school students for a performance — Stock Photo
    Side view of a Caucasian male high school teacher sitting on a chair on the stage in an empty school theatre during rehearsals for a performance, preparing a multi-ethnic group of teenager high school students for a performance
    Students researching at computers in library — Stock Photo
    Students researching at computers in library
    Teacher helping junior high students using computers in library — Stock Photo
    Teacher helping junior high students using computers in library
    Community college instructor helping student with paperwork in classroom — Stock Photo
    Community college instructor helping student with paperwork in classroom
    Young male and female scientists working in laboratory. — Stock Photo
    Young male and female scientists working in laboratory.
    Side view of two young African schoolboys sitting at a desk working during a lesson in a township elementary school classroom, in the background the teacher is helping some classmates at their desks — Stock Photo
    Side view of two young African schoolboys sitting at a desk working during a lesson in a township elementary school classroom, in the background the teacher is helping some classmates at their desks
    Male teacher calling on students in classroom — Stock Photo
    Male teacher calling on students in classroom
    Company of men learning during workshop — Stock Photo
    Company of men learning during workshop
    Male community college instructor talking with student in classroom — Stock Photo
    Male community college instructor talking with student in classroom
    Teacher and students playing at interactive exhibit in science center — Stock Photo
    Teacher and students playing at interactive exhibit in science center
    Female teacher helping girl students researching at laptop at library table — Stock Photo
    Female teacher helping girl students researching at laptop at library table
    Male instructor leading lesson at projection screen in classroom — Stock Photo
    Male instructor leading lesson at projection screen in classroom
    Schoolboy raising hand — Stock Photo
    Schoolboy raising hand
    Teacher assisting schoolboy at desk — Stock Photo
    Teacher assisting schoolboy at desk
    Active senior woman exercising, stretching leg with strap in exercise class — Stock Photo
    Active senior woman exercising, stretching leg with strap in exercise class
    Business people using digital tablet at technology conference — Stock Photo
    Business people using digital tablet at technology conference
    Female doctor holding anatomical model of human spine. — Stock Photo
    Female doctor holding anatomical model of human spine.
    Artists working in art studio — Stock Photo
    Artists working in art studio
    Students watching geography teacher at projection screen in dark classroom — Stock Photo
    Students watching geography teacher at projection screen in dark classroom
    Children looking at teacher — Stock Photo
    Children looking at teacher
    Portrait smiling, confident junior high teachers in library — Stock Photo
    Portrait smiling, confident junior high teachers in library
    Male colleagues browsing netbook and working on project remotely while sitting on lawn in park — Stock Photo
    Male colleagues browsing netbook and working on project remotely while sitting on lawn in park
    Teacher helping junior high school students at desk in classroom — Stock Photo
    Teacher helping junior high school students at desk in classroom
    Focused young Latin American female student reading information on laptop screen while preparing for university exam in cozy cafe — Stock Photo
    Focused young Latin American female student reading information on laptop screen while preparing for university exam in cozy cafe
    Smiling audience clapping at conference — Stock Photo
    Smiling audience clapping at conference
    Smart young woman listening to music and writing in notepad while studying at home — Stock Photo
    Smart young woman listening to music and writing in notepad while studying at home
    Community college instructor helping students with paperwork in classroom — Stock Photo
    Community college instructor helping students with paperwork in classroom
    Instructor helping active seniors stretching legs, exercising with straps — Stock Photo
    Instructor helping active seniors stretching legs, exercising with straps
    High school teacher calling on students with hands raised in classroom — Stock Photo
    High school teacher calling on students with hands raised in classroom
    Portrait smiling, confident female teacher wearing hijab in classroom — Stock Photo
    Portrait smiling, confident female teacher wearing hijab in classroom
    Female art student working in art studio — Stock Photo
    Female art student working in art studio
    Teenage girl and everyday life. Reading — Stock Photo
    Teenage girl and everyday life. Reading
    Black man and woman with braids reading and discussing notes on whiteboard while working in modern laboratory together — Stock Photo
    Black man and woman with braids reading and discussing notes on whiteboard while working in modern laboratory together
    Front view close up of a middle aged African female school teacher helping a young African schoolgirl sitting at her desk using a laptop computer during a lesson. — Stock Photo
    Front view close up of a middle aged African female school teacher helping a young African schoolgirl sitting at her desk using a laptop computer during a lesson.
    Curious kids watching science experiment in science center — Stock Photo
    Curious kids watching science experiment in science center