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    Female scientist taking sample from culture in Petri dish. — Stock Photo
    Female scientist taking sample from culture in Petri dish.
    Close-up of male scientist writing on clipboard in laboratory — Stock Photo
    Close-up of male scientist writing on clipboard in laboratory
    Close up of text tubes in rack at science lab — Stock Photo
    Close up of text tubes in rack at science lab
    Surprised students conducting scientific experiment, watching chemical reaction in classroom laboratory — Stock Photo
    Surprised students conducting scientific experiment, watching chemical reaction in classroom laboratory
    Top view of pile of various dental gypsum models of jaws in lab — Stock Photo
    Top view of pile of various dental gypsum models of jaws in lab
    Cheerful professional female scientist in protective gloves and robe looking at blue solution n test tube while working in equipped laboratory — Stock Photo
    Cheerful professional female scientist in protective gloves and robe looking at blue solution n test tube while working in equipped laboratory
    Closeup view of empty laboratory beakers in drawer — Stock Photo
    Closeup view of empty laboratory beakers in drawer
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom — Stock Photo
    Curious students watching chemical reaction, conducting scientific experiment in laboratory classroom
    Mid section of male scientist experimenting in laboratory — Stock Photo
    Mid section of male scientist experimenting in laboratory
    Water treatment plant ultraviolet ionization treatment room — Stock Photo
    Water treatment plant ultraviolet ionization treatment room
    Female scientist measuring PH of soil samples with litmus strips. — Stock Photo
    Female scientist measuring PH of soil samples with litmus strips.
    Close-up of empty multiwell sample tray. — Stock Photo
    Close-up of empty multiwell sample tray.
    Crop unrecognizable male doctor demonstrating modern plastic mannequin head for dentistry lessons against gray wall — Stock Photo
    Crop unrecognizable male doctor demonstrating modern plastic mannequin head for dentistry lessons against gray wall