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    Close-up of examination of soil samples in agrochemical laboratory. — Stock Photo
    Close-up of examination of soil samples in agrochemical laboratory.
    Scientist using pipette and scales at laboratory — Stock Photo
    Scientist using pipette and scales at laboratory
    Close-up of laboratory technician holding tube with blood sample in gloved hand. — Stock Photo
    Close-up of laboratory technician holding tube with blood sample in gloved hand.
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    Sliced tomato in test tube, studio shot. — Stock Photo
    Sliced tomato in test tube, studio shot.
    Female scientist holding microscope slide with blood sample. — Stock Photo
    Female scientist holding microscope slide with blood sample.
    DNA testing using saliva sample. — Stock Photo
    DNA testing using saliva sample.
    Woman performing a nasal PCR test on a patient — Stock Photo
    Woman performing a nasal PCR test on a patient
    Portrait of smiling university student standing in corridor, people in background looking at exam results — Stock Photo
    Portrait of smiling university student standing in corridor, people in background looking at exam results
    Unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic — Stock Photo
    Unrecognizable female medic in mask and gloves holding tube with blood sample in modern lab in clinic
    Doctor testing patient blood sugar for diabetes in examination room — Stock Photo
    Doctor testing patient blood sugar for diabetes in examination room
    Agronomist opening soil sample bag in field. — Stock Photo
    Agronomist opening soil sample bag in field.
    Embryo selection for IVF — Stock Photo
    Embryo selection for IVF
    Scientist viewing results of genetic test on digital tablet. — Stock Photo
    Scientist viewing results of genetic test on digital tablet.
    White mask with reusable KN95 protection index for virus protection on yellow background — Stock Photo
    White mask with reusable KN95 protection index for virus protection on yellow background
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Forensic evidence collection with knife for DNA forensic test. — Stock Photo
    Forensic evidence collection with knife for DNA forensic test.
    Close-up of pipetting samples into Petri dishes. — Stock Photo
    Close-up of pipetting samples into Petri dishes.
    Close-up of a doctor ready to perform a PCR test — Stock Photo
    Close-up of a doctor ready to perform a PCR test
    From above anonymous medical practitioner using injector to fill well plate with red liquid during work in modern laboratory of clinic — Stock Photo
    From above anonymous medical practitioner using injector to fill well plate with red liquid during work in modern laboratory of clinic
    School in Grashoek village — Stock Photo
    School in Grashoek village
    Female teacher and students conducting chemical experiment — Stock Photo
    Female teacher and students conducting chemical experiment
    Close up of Blood tests — Stock Photo
    Close up of Blood tests
    DNA strand in test tube, digital illustration. — Stock Photo
    DNA strand in test tube, digital illustration.
    Paramedic wearing personal protective equipment PPE holding folder sta — Stock Photo
    Paramedic wearing personal protective equipment PPE holding folder sta
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory.
    Man tests lift from wind before jumping off to paraglide parachute — Stock Photo
    Man tests lift from wind before jumping off to paraglide parachute
    Side view of cropped unrecognizable otolaryngologist in latex gloves checking throat of patient with sterile spatula and flashlight in hospital — Stock Photo
    Side view of cropped unrecognizable otolaryngologist in latex gloves checking throat of patient with sterile spatula and flashlight in hospital
    Microbiologist working with petri dish and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dish and test tubes in laboratory.
    Black women and man in uniform discussing data on computer while working in contemporary laboratory together — Stock Photo
    Black women and man in uniform discussing data on computer while working in contemporary laboratory together
    Hand of doctor using medical tonometer in front of blurred x-ray image — Stock Photo
    Hand of doctor using medical tonometer in front of blurred x-ray image
    Senior woman preparing DNA test kit. — Stock Photo
    Senior woman preparing DNA test kit.
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman
    Chemist child in plastic glasses with paint spots on face smelling liquid from bottle on beige background — Stock Photo
    Chemist child in plastic glasses with paint spots on face smelling liquid from bottle on beige background
    Rack of food samples in test tubes. — Stock Photo
    Rack of food samples in test tubes.
    Female forensic scientist examining fingerprints. — Stock Photo
    Female forensic scientist examining fingerprints.
    Crop unrecognizable biologist in latex gloves filling injector with liquid from small bottle in laboratory — Stock Photo
    Crop unrecognizable biologist in latex gloves filling injector with liquid from small bottle in laboratory
    Mature doctor testing heart of male athlete on treadmill. — Stock Photo
    Mature doctor testing heart of male athlete on treadmill.
    Motorcycle mechanic doing diagnostic test on motorcycle in workshop — Stock Photo
    Motorcycle mechanic doing diagnostic test on motorcycle in workshop
    Female patient receiving a ultrasound scan on the neck in hospital — Stock Photo
    Female patient receiving a ultrasound scan on the neck in hospital
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge. — Stock Photo
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge.
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    DNA samples, autoradiogram and forensic evidence bag on blue background. — Stock Photo
    DNA samples, autoradiogram and forensic evidence bag on blue background.
    Woman checking her insulin levels before eating a cake — Stock Photo
    Woman checking her insulin levels before eating a cake
    Forensic scientist putting swab into sample tube. — Stock Photo
    Forensic scientist putting swab into sample tube.
    Close-up view of plant seedling in test tube. — Stock Photo
    Close-up view of plant seedling in test tube.
    Crop unrecognizable physical therapist in sterile gloves inserting needle electrode into back skin of woman in hospital — Stock Photo
    Crop unrecognizable physical therapist in sterile gloves inserting needle electrode into back skin of woman in hospital
    Adult employee checking food quality in canteen — Stock Photo
    Adult employee checking food quality in canteen
    Crop anonymous biologist in glove putting dried marihuana flower buds on pan of moisture measuring device in laboratory — Stock Photo
    Crop anonymous biologist in glove putting dried marihuana flower buds on pan of moisture measuring device in laboratory
    Various food produce in test tubes, studio shot. — Stock Photo
    Various food produce in test tubes, studio shot.
    African American male doctor in medical glove demonstrating test tube with blood sample on white background — Stock Photo
    African American male doctor in medical glove demonstrating test tube with blood sample on white background
    Lab technician adding liquid from graduated cylinder to beaker — Stock Photo
    Lab technician adding liquid from graduated cylinder to beaker
    Female scientist looking at specimen in greenhouse — Stock Photo
    Female scientist looking at specimen in greenhouse
    Collage of crowd masks protecting factor KN95 on a red background overhead view — Stock Photo
    Collage of crowd masks protecting factor KN95 on a red background overhead view
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Green vegetables in test tubes, studio shot. — Stock Photo
    Green vegetables in test tubes, studio shot.
    Urine sample for analysis and test strip with chart, studio shot. — Stock Photo
    Urine sample for analysis and test strip with chart, studio shot.
    Female doctor measuring with calipers allergic reaction during skin prick test. — Stock Photo
    Female doctor measuring with calipers allergic reaction during skin prick test.
    School in Grashoek village — Stock Photo
    School in Grashoek village
    Robotic engineers testing robotic machine in warehouse — Stock Photo
    Robotic engineers testing robotic machine in warehouse