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    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Motor testing multimeter and mobile phone at floor in garage — Stock Photo
    Motor testing multimeter and mobile phone at floor in garage
    Top view of mosaic or pattern of positive blood tests over blue background. — Stock Photo
    Top view of mosaic or pattern of positive blood tests over blue background.
    Female dentist taking x-ray of patient teeth at clinic — Stock Photo
    Female dentist taking x-ray of patient teeth at clinic
    School in Grashoek village — Stock Photo
    School in Grashoek village
    Plastic test tubes in rack on white background. — Stock Photo
    Plastic test tubes in rack on white background.
    Senior man checking his blood sugar with glucometer at home — Stock Photo
    Senior man checking his blood sugar with glucometer at home
    School in Grashoek village — Stock Photo
    School in Grashoek village
    Blood samples ready for analysis — Stock Photo
    Blood samples ready for analysis
    Sterile tubes and medical samples on glass table — Stock Photo
    Sterile tubes and medical samples on glass table
    Preteen boy undergoing lung function test with female nurse. — Stock Photo
    Preteen boy undergoing lung function test with female nurse.
    African American male in uniform with stethoscope showing blurred vaccine in hand in hospital — Stock Photo
    African American male in uniform with stethoscope showing blurred vaccine in hand in hospital
    Pregnant woman receiving a ultrasound scan on the stomach in hospital — Stock Photo
    Pregnant woman receiving a ultrasound scan on the stomach in hospital
    Side view of little girl with curly hair examining lungs of other little girl with stethoscope while visiting modern clinic — Stock Photo
    Side view of little girl with curly hair examining lungs of other little girl with stethoscope while visiting modern clinic
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Chemist hand setting up bottle in vacuum pump in laboratory. — Stock Photo
    Chemist hand setting up bottle in vacuum pump in laboratory.
    Pipette placing sample into test tube during experiment in laboratory. — Stock Photo
    Pipette placing sample into test tube during experiment in laboratory.
    Car dealer helping woman with test drive — Stock Photo
    Car dealer helping woman with test drive
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Close-up of optometrist examining patient eyes with phoropter in clinic — Stock Photo
    Close-up of optometrist examining patient eyes with phoropter in clinic
    Scientists discussing over chemical solution in bottle at lab — Stock Photo
    Scientists discussing over chemical solution in bottle at lab
    Side view of male worker examining juice in test tube at factory — Stock Photo
    Side view of male worker examining juice in test tube at factory
    Various sprouted seeds in Petri dishes. — Stock Photo
    Various sprouted seeds in Petri dishes.
    University student doing experiment on microscope in laboratory at college — Stock Photo
    University student doing experiment on microscope in laboratory at college
    Close-up of pipetting sample into row of test tubes during experiment in laboratory. — Stock Photo
    Close-up of pipetting sample into row of test tubes during experiment in laboratory.
    Computer programmers testing virtual reality simulators in office — Stock Photo
    Computer programmers testing virtual reality simulators in office
    Young asian college students studying together — Stock Photo
    Young asian college students studying together
    Paramedic wearing personal protective equipment PPE holding folder sta — Stock Photo
    Paramedic wearing personal protective equipment PPE holding folder sta
    Researcher preparing samples of donated blood for analysis. — Stock Photo
    Researcher preparing samples of donated blood for analysis.
    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
    Teenage boy experimenting chemical solution in laboratory — Stock Photo
    Teenage boy experimenting chemical solution in laboratory
    Scientist using pipette and scales at laboratory — Stock Photo
    Scientist using pipette and scales at laboratory
    Pipette dripping liquid into test tubes. — Stock Photo
    Pipette dripping liquid into test tubes.
    Boy holding guinea pig in vet examination — Stock Photo
    Boy holding guinea pig in vet examination
    Scientist checking a solution in conical flask at lab — Stock Photo
    Scientist checking a solution in conical flask at lab
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Physician measuring body fat on triceps using skinfold thickness test on male athlete. — Stock Photo
    Physician measuring body fat on triceps using skinfold thickness test on male athlete.
    Side view of content female veterinarian in uniform with test tube standing at table with microscope in laboratory — Stock Photo
    Side view of content female veterinarian in uniform with test tube standing at table with microscope in laboratory
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter. — Stock Photo
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter.
    African american female doctor in face mask giving girl patient covid swab test at home. medical and healthcare services during coronavirus covid 19 pandemic. — Stock Photo
    African american female doctor in face mask giving girl patient covid swab test at home. medical and healthcare services during coronavirus covid 19 pandemic.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Rear view of scientist operating with display on wall — Stock Photo
    Rear view of scientist operating with display on wall
    Female forensic scientist examining fingerprints. — Stock Photo
    Female forensic scientist examining fingerprints.
    Optometrist examining patient eyes with slit lamp in clinic — Stock Photo
    Optometrist examining patient eyes with slit lamp in clinic
    Close-up of female hand holding clipboard with pen and stopwatch — Stock Photo
    Close-up of female hand holding clipboard with pen and stopwatch
    Senior woman doing a mailed DNA test at home. — Stock Photo
    Senior woman doing a mailed DNA test at home.
    Close-up of stethoscope alongside blood sample in test tube, syringe and medical vial in a clinic. — Stock Photo
    Close-up of stethoscope alongside blood sample in test tube, syringe and medical vial in a clinic.
    Plant seedling in soil in Petri dish and tweezers in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish and tweezers in laboratory.
    Scientist pipetting sample into tube for analytical testing in laboratory. — Stock Photo
    Scientist pipetting sample into tube for analytical testing in laboratory.
    Side view of crop unrecognizable male biologist in uniform studying dried marijuana flower buds on laboratory table between professional equipment — Stock Photo
    Side view of crop unrecognizable male biologist in uniform studying dried marijuana flower buds on laboratory table between professional equipment
    Home care specialist checking blood pressure of patient at home — Stock Photo
    Home care specialist checking blood pressure of patient at home
    Bacterial colonies on agar plates — Stock Photo
    Bacterial colonies on agar plates
    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.
    Side view of female mechanic wearing respirator using spray pistol — Stock Photo
    Side view of female mechanic wearing respirator using spray pistol
    Female doctor analyzing a CRP test of a senior patient — Stock Photo
    Female doctor analyzing a CRP test of a senior patient
    Podiatrist examining and treating patient — Stock Photo
    Podiatrist examining and treating patient
    Scientist hand sampling water in test tube for quality testing. — Stock Photo
    Scientist hand sampling water in test tube for quality testing.
    Close-up of multiple test stick being placed into urine sample tube by female doctor. — Stock Photo
    Close-up of multiple test stick being placed into urine sample tube by female doctor.
    Crop unrecognizable medic with needle and syringe collecting blood from vein of patient in hospital — Stock Photo
    Crop unrecognizable medic with needle and syringe collecting blood from vein of patient in hospital
    Teacher watching curious students playing with beakers at interactive exhibit in science center — Stock Photo
    Teacher watching curious students playing with beakers at interactive exhibit in science center