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Symbol of yin and yang of the background. The sign of the two elements.
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Machine where you can return tare
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Plastic bottle being placed in the machine
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symbols of islam religion against bright cloudy sky
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symbols of islam religion against bright cloudy sky
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symbols of islam religion against bright cloudy sky
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Close up image of human hand with test tube
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Close up of human hand holding tube with DNA molecule
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Young teacher and children painting and playing
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Close up of human hand holding test tube. Ecology concept
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Human hand holding test tube with alarm clock inside
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Close up image of human hand holding test tube. Money concept
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Close up of human hand holding tube with DNA molecule
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Image of young singing woman holding violin
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book symbols on brick wall
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In the library - pretty, female student searching for books in a high school/university library (color toned image)
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In the library - pretty, female student searching for books in a high school/university library (color toned image)
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pretty young college student in a library (shallow DOF; color toned image)
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pretty young college student in a library (shallow DOF; color toned image)
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pretty young college student in a library (shallow DOF; color toned image)
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pretty female college student working on her laptop computer on campus, before class (color toned image; shallow DOF)
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Portrait of a female researcher doing research in a lab (shallow DOF; color toned image)
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Young male researcher carrying out scientific research in a lab (shallow DOF; color toned image)
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Young male researcher carrying out scientific research in a lab (shallow DOF; color toned image)
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in the library - pretty female student with books working in a high school library (color toned image)
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young, handsome male college student sitting in a classroom full of students during class (color toned image; shallow DOF)
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Senior doctor/scientist using his tablet computer at work (color toned image)
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Senior doctor/scientist using his tablet computer at work (color toned image)
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Portrait of a female researcher/chemistry student carrying out research in a chemistry lab (color toned image; shallow DOF)
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Portrait of a female researcher doing research in a lab (shallow DOF; color toned image)
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Portrait of a female researcher carrying out research in a chemistry lab (color toned image; shallow DOF)
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Chemistry student and her teacher during class in lab, carrying out experiments under kind supervision of an experienced tutor
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Senior chemistry professor giving a lecture in front of classroom full of students (shallow DOF; color toned image)
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close-up portrait of a young male researcher carrying out experiments in a chemistry research lab (color toned image)
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Young male researcher carrying out scientific research in a lab (shallow DOF; color toned image)
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Young male researcher carrying out scientific research in a lab (shallow DOF; color toned image)
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Young male researcher carrying out scientific research in a lab (shallow DOF; color toned image)
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