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    Person hand pouring beads into petri dish. — Stock Photo
    Person hand pouring beads into petri dish.
    Attentive male worker examining glass product in factory — Stock Photo
    Attentive male worker examining glass product in factory
    Hands of female microbiologist inoculating nutritive agar. — Stock Photo
    Hands of female microbiologist inoculating nutritive agar.
    Mid section of male worker working in glass factory — Stock Photo
    Mid section of male worker working in glass factory
    Glass phials in laboratory rack, close-up. — Stock Photo
    Glass phials in laboratory rack, close-up.
    Scientist checking a solution in conical flask at lab — Stock Photo
    Scientist checking a solution in conical flask at lab
    Schoolboy doing science experiment in school chemistry laboratory. — Stock Photo
    Schoolboy doing science experiment in school chemistry laboratory.
    Close-up of worker operating control panel in glass factory — Stock Photo
    Close-up of worker operating control panel in glass factory
    Attentive worker glass checking product in glass factory — Stock Photo
    Attentive worker glass checking product in glass factory
    Female scientist in laboratory looking at glass flask with dissolved samples of soil. — Stock Photo
    Female scientist in laboratory looking at glass flask with dissolved samples of soil.
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    Green spinach in test tube, studio shot. — Stock Photo
    Green spinach in test tube, studio shot.
    Liquid samples in quartz cuvettes containers. — Stock Photo
    Liquid samples in quartz cuvettes containers.
    Seedlings growing in laboratory test tubes, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in laboratory test tubes, conceptual image of plant research and genetic engineering.
    Close-up view of laboratory glassware. — Stock Photo
    Close-up view of laboratory glassware.
    Male worker using welding torch in glass factory — Stock Photo
    Male worker using welding torch in glass factory
    Close-up of scientist hand holding test tube with fluorescent chemical fluid. — Stock Photo
    Close-up of scientist hand holding test tube with fluorescent chemical fluid.
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory. — Stock Photo
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory.
    Close-up of rack of cell cultures in tubes in laboratory. — Stock Photo
    Close-up of rack of cell cultures in tubes in laboratory.
    Scientist checking a solution in conical flask at lab — Stock Photo
    Scientist checking a solution in conical flask at lab
    Worker talking on mobile phone while using laptop in glass factory — Stock Photo
    Worker talking on mobile phone while using laptop in glass factory