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    Ophthalmologist helping boy wearing glasses while eye examination in clinic. — Stock Photo
    Ophthalmologist helping boy wearing glasses while eye examination in clinic.
    Elementary age boy in ophthalmology glasses reading visual chart while visual acuity test. — Stock Photo
    Elementary age boy in ophthalmology glasses reading visual chart while visual acuity test.
    Close-up of pipetting sample into multiwell plate for analysis in laboratory. — Stock Photo
    Close-up of pipetting sample into multiwell plate for analysis in laboratory.
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background. — Stock Photo
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background.
    Blood sampling vacutainer tubes in rack, close-up. — Stock Photo
    Blood sampling vacutainer tubes in rack, close-up.
    Close-up of sample on red liquid in centrifuge tube. — Stock Photo
    Close-up of sample on red liquid in centrifuge tube.
    Mid section of man working at a microbrewery pub, wearing white apron, serving a pint of beer, holding it in front of him. — Stock Photo
    Mid section of man working at a microbrewery pub, wearing white apron, serving a pint of beer, holding it in front of him.
    Genetic Test. Tube and swab for DNA collection from mouth. — Stock Photo
    Genetic Test. Tube and swab for DNA collection from mouth.
    Caucasian man wearing high visibility vest, working in a microbrewery, using a tablet while checking bottles of beer prepared for delivery with an African American man working in the background. — Stock Photo
    Caucasian man wearing high visibility vest, working in a microbrewery, using a tablet while checking bottles of beer prepared for delivery with an African American man working in the background.
    Female Asian scientist examining plants in laboratory. — Stock Photo
    Female Asian scientist examining plants in laboratory.
    Syringe dripping blood droplet into test tubes. — Stock Photo
    Syringe dripping blood droplet into test tubes.
    Eggs in lighting control quality in egg factory — Stock Photo
    Eggs in lighting control quality in egg factory
    Technician writing on clipboard at industrial factory — Stock Photo
    Technician writing on clipboard at industrial factory
    Close-up view of vacutainer with needle on tray. — Stock Photo
    Close-up view of vacutainer with needle on tray.
    Little girl having finger prick test in medical clinic. — Stock Photo
    Little girl having finger prick test in medical clinic.
    Female scientist using pipette in laboratory — Stock Photo
    Female scientist using pipette in laboratory
    Close-up of pipetting sample into multiwell plate for analysis in laboratory. — Stock Photo
    Close-up of pipetting sample into multiwell plate for analysis in laboratory.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Carpenter fixing door lock at home — Stock Photo
    Carpenter fixing door lock at home
    Scientist closing lid of vial while laboratory testing. — Stock Photo
    Scientist closing lid of vial while laboratory testing.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research. — Stock Photo
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research.
    White beans in plastic cup for agriculture research, conceptual image. — Stock Photo
    White beans in plastic cup for agriculture research, conceptual image.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Water department technician opening fire hydrant to flush water mains — Stock Photo
    Water department technician opening fire hydrant to flush water mains
    Two women working with essential oils — Stock Photo
    Two women working with essential oils
    Portrait of a Caucasian man wearing high visibility vest, working in a microbrewery, leaning on bottles ready for delivery and looking straight into a camera. — Stock Photo
    Portrait of a Caucasian man wearing high visibility vest, working in a microbrewery, leaning on bottles ready for delivery and looking straight into a camera.
    Portrait of technician holding digital tablet at meat factory — Stock Photo
    Portrait of technician holding digital tablet at meat factory
    Close-up of rack of sample tubes with blood for analysis. — Stock Photo
    Close-up of rack of sample tubes with blood for analysis.
    Father and son on a lake shore — Stock Photo
    Father and son on a lake shore
    Automatic grape sorting on conveyor in workshop of winery — Stock Photo
    Automatic grape sorting on conveyor in workshop of winery
    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    Computer programmers testing virtual reality simulators in office — Stock Photo
    Computer programmers testing virtual reality simulators in office
    Genetics research toolkit — Stock Photo
    Genetics research toolkit
    Attentive male worker examining glass product in factory — Stock Photo
    Attentive male worker examining glass product in factory
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office. — Stock Photo
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office.
    Female staff examining egg on digital egg monitor in egg factory — Stock Photo
    Female staff examining egg on digital egg monitor in egg factory
    Man testing VR glasses on dark background — Stock Photo
    Man testing VR glasses on dark background
    Scientist closing lid of vial while laboratory testing. — Stock Photo
    Scientist closing lid of vial while laboratory testing.
    A pint glass of real ale with a head of foam and a glass bottle sitting on the wooden bar at a microbrewery pub. — Stock Photo
    A pint glass of real ale with a head of foam and a glass bottle sitting on the wooden bar at a microbrewery pub.
    Side view of female worker working in glass factory — Stock Photo
    Side view of female worker working in glass factory
    Boy coloring shapes with colorful pens for developmental psychology test in female doctor office. — Stock Photo
    Boy coloring shapes with colorful pens for developmental psychology test in female doctor office.
    Close-up of pipetting sample into multiwell plate for analysis in laboratory. — Stock Photo
    Close-up of pipetting sample into multiwell plate for analysis in laboratory.
    Senior woman doing a DNA test at home. — Stock Photo
    Senior woman doing a DNA test at home.
    Brown beans in plastic cup for agriculture research, conceptual image. — Stock Photo
    Brown beans in plastic cup for agriculture research, conceptual image.
    Testing blood sample from a multi well plate during a clinical investigation. — Stock Photo
    Testing blood sample from a multi well plate during a clinical investigation.
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    Scientist pipetting sample into tube for analytical testing in laboratory. — Stock Photo
    Scientist pipetting sample into tube for analytical testing in laboratory.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Microbiologist taking bacterial sample on microscope slide. — Stock Photo
    Microbiologist taking bacterial sample on microscope slide.
    Ophthalmologist using auto refractometer eye examination equipment on boy in clinic. — Stock Photo
    Ophthalmologist using auto refractometer eye examination equipment on boy in clinic.
    Oats in plastic cup for agriculture research, conceptual image. — Stock Photo
    Oats in plastic cup for agriculture research, conceptual image.
    Scientist holding meat piece with tweezers for food research. — Stock Photo
    Scientist holding meat piece with tweezers for food research.
    Scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Scientist pipetting liquid into Eppendorf tubes.
    Close-up of tube and syringe in hematology laboratory with scientist in background. — Stock Photo
    Close-up of tube and syringe in hematology laboratory with scientist in background.
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis. — Stock Photo
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis.
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory.
    Grains in plastic cup for agriculture research, conceptual image. — Stock Photo
    Grains in plastic cup for agriculture research, conceptual image.