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    Side view of concentrated skilled male mechanic using multimeter while testing battery of electric scooter in workshop — Stock Photo
    Side view of concentrated skilled male mechanic using multimeter while testing battery of electric scooter in workshop
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Eye examination. Woman wearing trial frames during an eye examination. — Stock Photo
    Eye examination. Woman wearing trial frames during an eye examination.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Laboratory technician analyzing blood samples in blood bank — Stock Photo
    Laboratory technician analyzing blood samples in blood bank
    Side view of two people scientists providing research in laboratory. — Stock Photo
    Side view of two people scientists providing research in laboratory.
    Dentist extracting a tooth in his office — Stock Photo
    Dentist extracting a tooth in his office
    Female doctor testing urine with stick, close-up. — Stock Photo
    Female doctor testing urine with stick, close-up.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    A vial of the Coronavirus vaccine and syringe on a table in a clinic — Stock Photo
    A vial of the Coronavirus vaccine and syringe on a table in a clinic
    Close-up of scientist doing experiment in lab — Stock Photo
    Close-up of scientist doing experiment in lab
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    Blood samples ready for analysis — Stock Photo
    Blood samples ready for analysis
    Lingon berry jam being made, setting test — Stock Photo
    Lingon berry jam being made, setting test
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Glass slide containing human sample under light microscope for medical testing. — Stock Photo
    Glass slide containing human sample under light microscope for medical testing.
    Pills in Petri dishes on gray background. — Stock Photo
    Pills in Petri dishes on gray background.
    School in Grashoek village — Stock Photo
    School in Grashoek village
    Coffee beans in test tube on white background, studio shot. — Stock Photo
    Coffee beans in test tube on white background, studio shot.
    Mid section of scientist in laboratory mixing samples of soil with reagent. — Stock Photo
    Mid section of scientist in laboratory mixing samples of soil with reagent.
    Laboratory technician using digital tablet in blood bank — Stock Photo
    Laboratory technician using digital tablet in blood bank
    Female medical specialist in protective uniform, latex gloves and face mask doing nasal swab test with cotton bud on African American female patient in clinic during coronavirus outbreak — Stock Photo
    Female medical specialist in protective uniform, latex gloves and face mask doing nasal swab test with cotton bud on African American female patient in clinic during coronavirus outbreak
    Close-up of person holding petri dish for microbiology research. — Stock Photo
    Close-up of person holding petri dish for microbiology research.
    Scientist in protective wear pouring liquid in steaming flask — Stock Photo
    Scientist in protective wear pouring liquid in steaming flask
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand. — Stock Photo
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand.
    Female doctor performing allergy skin prick test on little boy with mother in immunologist office. — Stock Photo
    Female doctor performing allergy skin prick test on little boy with mother in immunologist office.
    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.
    Close-up of empty and sterile phials in red plastic box. — Stock Photo
    Close-up of empty and sterile phials in red plastic box.
    Athlete riding an exercise bike — Stock Photo
    Athlete riding an exercise bike
    Ophthalmologist examining a womans eyes with a phoropter — Stock Photo
    Ophthalmologist examining a womans eyes with a phoropter
    Optometrist specialist hand picking up lenses from case with several equipment — Stock Photo
    Optometrist specialist hand picking up lenses from case with several equipment
    Female bioarchaeologist analyzing micro tube with human osteological material in laboratory. — Stock Photo
    Female bioarchaeologist analyzing micro tube with human osteological material in laboratory.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Dentist and dental assistant looking at medical x-ray. — Stock Photo
    Dentist and dental assistant looking at medical x-ray.
    Boy students conducting scientific experiment, examining liquid in test tube in laboratory classroom — Stock Photo
    Boy students conducting scientific experiment, examining liquid in test tube in laboratory classroom
    Collage of some white masks for protection factor KN95 on red background zenith view — Stock Photo
    Collage of some white masks for protection factor KN95 on red background zenith view
    Elementary age boy undergoing sight examination with slit lamp in ophthalmology clinic. — Stock Photo
    Elementary age boy undergoing sight examination with slit lamp in ophthalmology clinic.
    Chinese woman taking test drive with car dealer assistance — Stock Photo
    Chinese woman taking test drive with car dealer assistance
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Pensive female college student taking test in classroom — Stock Photo
    Pensive female college student taking test in classroom
    Close-up of pipetting colorful liquids into test tubes. — Stock Photo
    Close-up of pipetting colorful liquids into test tubes.
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Team of scientists experimenting together in laboratory — Stock Photo
    Team of scientists experimenting together in laboratory
    Preteen girl breathing into peak flow meter and looking at nurse. — Stock Photo
    Preteen girl breathing into peak flow meter and looking at nurse.
    Woman taking her own blood sugar — Stock Photo
    Woman taking her own blood sugar
    Examining petri dish under microscope. — Stock Photo
    Examining petri dish under microscope.
    Sprouting peas in test tubes on white background. — Stock Photo
    Sprouting peas in test tubes on white background.
    Medical worker gloved hands holding test stick in urine sample tube. — Stock Photo
    Medical worker gloved hands holding test stick in urine sample tube.
    Optometrist adjusting the retinograph during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the retinograph during study of the eyesight of a black woman
    Back view crop male chemist in white robe latex gloves and face mask taking laboratory glassware from shelf while conducting research — Stock Photo
    Back view crop male chemist in white robe latex gloves and face mask taking laboratory glassware from shelf while conducting research
    Doctor using x-ray machine to examining patient in hospital — Stock Photo
    Doctor using x-ray machine to examining patient in hospital
    Girl student examining pink liquid, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student examining pink liquid, conducting scientific experiment in laboratory classroom
    Scientists writing note on glass wall at lab — Stock Photo
    Scientists writing note on glass wall at lab
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Unrecognizable doctor in blue gloves using ultrasound scanner while examining cheerful pregnant woman pointing at the screen in hospital — Stock Photo
    Unrecognizable doctor in blue gloves using ultrasound scanner while examining cheerful pregnant woman pointing at the screen in hospital
    Optometrist adjusting the retinograph during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the retinograph during study of the eyesight of a black woman
    Close-up of optometrist examining patient eyes with autorefractors in clinic — Stock Photo
    Close-up of optometrist examining patient eyes with autorefractors in clinic
    Portable digital spirometer, blowing test for lungs, forced expiratory volume and peak expiratory flow rate. — Stock Photo
    Portable digital spirometer, blowing test for lungs, forced expiratory volume and peak expiratory flow rate.
    Optometrist using an ophthalmoscope during study of the eyesight of a black woman — Stock Photo
    Optometrist using an ophthalmoscope during study of the eyesight of a black woman
    Hand in latex glove holding test tube with ear of wheat — Stock Photo
    Hand in latex glove holding test tube with ear of wheat