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сток. видео
(Всего результатов: 1,400)
 "Woman turning pages of the christian bible")
 "Close-up of a young woman typing on a laptop keyboard")
 "Magical book zoom in animation.")
 "Man conducts legal research in library")
 "A close-up look at filling in the little circles of a test paper.")
 "Clean Room Wide. Scientists / technicians working on silicon chip manufacture in")
 "Pretty girl sitting at table studying and writing in notebook")
 "Group of successful schoolchildren giving thumb ups together in the classroom.")
 "Electronic circuit testing")
 "a woman turns the pages of a book.")
 "three little lovely ducklings are walking on a white background")
 "KENYA, AFRICA - CIRCA 2011: Front view of student doing classwork in Kenya,")
 "cute asian little girl play computer (three action shot)")
 "Hands typing on computer keyboard")
 "Microscopic Breakthrough. Two scientific researchers discover something")
 "KENYA, AFRICA - CIRCA 2011: Shot of a school boy reading his book in class, then")
 "Classmates with globe during lesson in a school")
 "A female college student studies in the library.")
 "Young angry student sits at the table and shows his frustration")
 "A montage compilation of frustrated students having problems studying.")
 "A contractor inspected an attic.")
 "Artist rendering basic structures of Oxygen atom.")
 "Happy schoolgirls and schoolboys speaking with each otherand working on laptop")
 "600 years old bible...(slavic letters)")
 "Four young students high school having conversation in the classroom")
 "KO CHANG, THAILAND - FEBRUARY 7: Unknown children in lesson at school on")
 "Rats in research laboratory")
 "KENYA, AFRICA - CIRCA 2011: Close up of the teacher in full classroom in Kenya,")
 "Scientists and technicians working on silicon chip manufacture in a clean room,")
 "Two scientists carry out research, looking through microscopes. Close up shot")
 "Bible in the hands of a young man")
 "Artist rendering basic structures of Hydrogen atom.")
 "KENYA, AFRICA - CIRCA 2011: Close up of school boys in class in Kenya, Africa.")
 "Women's hands leafing through a book (HD)")
 "An African American woman performs various tasks around the house. She searches")
 "A student takes notes while typing on his laptop. Dolly shot.")
 "Scientist / technician preps silicon wafers to go into a kiln during silicon")
 "Scan the muscular system, lymphatic system, the internal organs of human")
 "Microscope")
 "Baby girl reading a book while lying on the floor")
 "A tired male student sleeps in the library.")
 "Students study in the library.")
 "KENYA, AFRICA - CIRCA 2011: Classroom filled with students in Kenya, Africa.")
 "Tablet girl LI CM INF, Tracking shot of a beautiful young teenage woman (16yrs)")
 "Rats in research laboratory")
 "Analysis of human body, skin and skeleton, like x-ray, spinning in 360 degrees")
 "Hands typing on laptop keyboard (HD)")
 "KENYA, AFRICA - AUGUST 2010: Students taking a test in class in a school in a")
 "Close-up of a finger turning the pages of a digital ebook reader. Extreme")
 "Artist rendering basic structures of Carbon atom.")