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    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration. — Stock Photo
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration.
    Genetics research toolkit — Stock Photo
    Genetics research toolkit
    Lab technician adding reagent to sample while measuring pH — Stock Photo
    Lab technician adding reagent to sample while measuring pH
    Water department engineer standing in chemical treatment room — Stock Photo
    Water department engineer standing in chemical treatment room
    Cropped image of Water department technician shutting fire hydrant to flush water pipes — Stock Photo
    Cropped image of Water department technician shutting fire hydrant to flush water pipes
    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.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Cropped image of female staff examine eggs in egg factory — Stock Photo
    Cropped image of female staff examine eggs in egg factory
    Cocoa beans and various pieces of chocolate — Stock Photo
    Cocoa beans and various pieces of chocolate
    Boy having eye test with special equipment. — Stock Photo
    Boy having eye test with special equipment.
    Senior woman preparing DNA test kit. — Stock Photo
    Senior woman preparing DNA test kit.
    Doctor drawing blood — Stock Photo
    Doctor drawing blood
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Doctor giving young girl finger prick test. — Stock Photo
    Doctor giving young girl finger prick test.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Female hand testing with toothpick cupcakes — Stock Photo
    Female hand testing with toothpick cupcakes
    Smart business executive checking sugar level in office — Stock Photo
    Smart business executive checking sugar level in office
    Grains and pulses in plastic cups for agriculture research, conceptual image. — Stock Photo
    Grains and pulses in plastic cups for agriculture research, conceptual image.
    Microbiologist working with petri dish and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dish and test tubes in laboratory.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Female scientist in white coat measuring PH of soil sample with litmus strips. — Stock Photo
    Female scientist in white coat measuring PH of soil sample with litmus strips.
    Boy coloring shapes with colorful pens for developmental psychology test in psychologist office. — Stock Photo
    Boy coloring shapes with colorful pens for developmental psychology test in psychologist office.
    Grains and pulses in plastic cups for agriculture research, conceptual image. — Stock Photo
    Grains and pulses in plastic cups for agriculture research, conceptual image.
    Man and older lady walking dog on sidewalk of suburban neighborhood. — Stock Photo
    Man and older lady walking dog on sidewalk of suburban neighborhood.
    Technician holding urine sample for testing in laboratory. — Stock Photo
    Technician holding urine sample for testing in laboratory.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Motor testing multimeter and mobile phone at floor in garage — Stock Photo
    Motor testing multimeter and mobile phone at floor in garage
    Technician holding digital tablet at meat factory — Stock Photo
    Technician holding digital tablet at meat factory
    Side view of handsome smiling asian man sitting in car and looking away — Stock Photo
    Side view of handsome smiling asian man sitting in car and looking away
    Hands of scientist using syringe and petri dish — Stock Photo
    Hands of scientist using syringe and petri dish
    Low angle view of a Caucasian man wearing high visible vest, working in a microbrewery, holding a file and writing data while checking vats. — Stock Photo
    Low angle view of a Caucasian man wearing high visible vest, working in a microbrewery, holding a file and writing data while checking vats.
    Female scientist taking testing tube from tray for scientific research. — Stock Photo
    Female scientist taking testing tube from tray for scientific research.
    Man testing VR glasses on dark background — Stock Photo
    Man testing VR glasses on dark background
    Man testing temperature of beer in wort while making beer at home brewery — Stock Photo
    Man testing temperature of beer in wort while making beer at home brewery
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Senior man using peak flow meter, close-up. — Stock Photo
    Senior man using peak flow meter, close-up.
    Senior man using peak flow meter, close-up. — Stock Photo
    Senior man using peak flow meter, close-up.
    Female doctor putting headphones on boy having hearing test. — Stock Photo
    Female doctor putting headphones on boy having hearing test.
    Still life of microscope on laboratory bench. — Stock Photo
    Still life of microscope on laboratory bench.
    Female researcher preparing multi-well sample tray of blood for analysis. — Stock Photo
    Female researcher preparing multi-well sample tray of blood for analysis.
    Close up mid section view of man working in a microbrewery, holding malt in hand over a bag. — Stock Photo
    Close up mid section view of man working in a microbrewery, holding malt in hand over a bag.
    Winery laboratory. A worktop — Stock Photo
    Winery laboratory. A worktop
    Close-up view of tubes with blood samples. — Stock Photo
    Close-up view of tubes with blood samples.
    Portrait of technician operating machine at meat factory — Stock Photo
    Portrait of technician operating machine at meat factory
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic. — Stock Photo
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic.
    Handsome smiling asian man sitting in car and looking at camera — Stock Photo
    Handsome smiling asian man sitting in car and looking at camera
    Vial of potential drug in petri dish on DNA autoradiogram. — Stock Photo
    Vial of potential drug in petri dish on DNA autoradiogram.
    Hand of technician holding hepatitis sample for testing in laboratory. — Stock Photo
    Hand of technician holding hepatitis sample for testing in laboratory.
    Caucasian man wearing high visibility vest, working in a microbrewery, checking bottles of beer with an African American man working in the background. — Stock Photo
    Caucasian man wearing high visibility vest, working in a microbrewery, checking bottles of beer with an African American man working in the background.
    Female staff using digital tablet in egg factory — Stock Photo
    Female staff using digital tablet in egg factory
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Preteen boy undergoing lung function test with female nurse. — Stock Photo
    Preteen boy undergoing lung function test with female nurse.
    Blood sampling vacutainer tubes in rack, close-up. — Stock Photo
    Blood sampling vacutainer tubes in rack, close-up.
    Lentils in plastic cup for agriculture research, conceptual image. — Stock Photo
    Lentils in plastic cup for agriculture research, conceptual image.
    Athlete riding an exercise bike — Stock Photo
    Athlete riding an exercise bike
    Close-up of DNA autoradiogram on white background. — Stock Photo
    Close-up of DNA autoradiogram on white background.
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption. — Stock Photo
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption.
    Female patient at eye examination in ophthalmology clinic. — Stock Photo
    Female patient at eye examination in ophthalmology clinic.