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    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Scientist closing lid of vial while laboratory testing. — Stock Photo
    Scientist closing lid of vial while laboratory testing.
    Portrait of technician holding digital tablet at meat factory — Stock Photo
    Portrait of technician holding digital tablet at meat factory
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Close-up of sample tubes in rack. — Stock Photo
    Close-up of sample tubes in rack.
    Female scientist in white coat taking notes in soil testing laboratory. — Stock Photo
    Female scientist in white coat taking notes in soil testing laboratory.
    Close-up of female hand using pen-like lancing device for prick test. — Stock Photo
    Close-up of female hand using pen-like lancing device for prick test.
    Male scientist doing medical testing of sample under microscope. — Stock Photo
    Male scientist doing medical testing of sample under microscope.
    Father and son on a lake shore — Stock Photo
    Father and son on a lake shore
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Scientist holding tomato piece with tweezers for food research. — Stock Photo
    Scientist holding tomato piece with tweezers for food research.
    Teenage girl practicing chemistry experiment in lab — Stock Photo
    Teenage girl practicing chemistry experiment in lab
    Salesman standing next to car and reading brochure outside the showroom — Stock Photo
    Salesman standing next to car and reading brochure outside the showroom
    Doctor giving young girl finger prick test. — Stock Photo
    Doctor giving young girl finger prick test.
    Rear view of a man on the mountain testing his drone and recording — Stock Photo
    Rear view of a man on the mountain testing his drone and recording
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Boy standing by a river dipping his toe in the water, United States — Stock Photo
    Boy standing by a river dipping his toe in the water, United States
    Female hands feeling forehead of baby for measuring temperature. — Stock Photo
    Female hands feeling forehead of baby for measuring temperature.
    Scientist holding meat piece with tweezers for food research. — Stock Photo
    Scientist holding meat piece with tweezers for food research.
    Mid adult woman doing pin prick test on finger. — Stock Photo
    Mid adult woman doing pin prick test on finger.
    Eggs in lighting control quality in egg factory — Stock Photo
    Eggs in lighting control quality in egg factory
    DNA testing using saliva sample. — Stock Photo
    DNA testing using saliva sample.
    Graduated pipette and test tubes — Stock Photo
    Graduated pipette and test tubes
    Preschooler boy coloring shapes with colorful pens for developmental psychology test in psychologist office. — Stock Photo
    Preschooler boy coloring shapes with colorful pens for developmental psychology test in psychologist office.
    Ophthalmologist helping boy wearing glasses while eye examination in clinic. — Stock Photo
    Ophthalmologist helping boy wearing glasses while eye examination in clinic.
    Grains and pulses in plastic cups for agriculture research, conceptual image. — Stock Photo
    Grains and pulses in plastic cups for agriculture research, conceptual image.
    Fuel being filled in car tank at showroom — Stock Photo
    Fuel being filled in car tank at showroom
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory.
    Carpenter fixing door at home — Stock Photo
    Carpenter fixing door at home
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Caucasian and African American men working in a microbrewery, wearing high visible vests, using a tablet and holding a bad — Stock Photo
    Caucasian and African American men working in a microbrewery, wearing high visible vests, using a tablet and holding a bad
    Teenage girl wearing safety glasses while practicing science experiment in lab — Stock Photo
    Teenage girl wearing safety glasses while practicing science experiment in lab
    Chinese doctor testing senior man blood pressure — Stock Photo
    Chinese doctor testing senior man blood pressure
    Doctor wearing on woman eyesight testing spectacles. — Stock Photo
    Doctor wearing on woman eyesight testing spectacles.
    Spirometry. Using digital spirometer with smart phone app, testing lungs. — Stock Photo
    Spirometry. Using digital spirometer with smart phone app, testing lungs.
    Female engineer in clean suit using equipment in fiber optics research and testing laboratory — Stock Photo
    Female engineer in clean suit using equipment in fiber optics research and testing laboratory
    Hand holding multi well plate with samples with DNA results in background. — Stock Photo
    Hand holding multi well plate with samples with DNA results in background.
    Adult Carpenter fixing door at home — Stock Photo
    Adult Carpenter fixing door at home
    Female students performing chemistry experiment in lab — Stock Photo
    Female students performing chemistry experiment in lab
    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.
    Vial of potential drug in petri dish on DNA autoradiogram. — Stock Photo
    Vial of potential drug in petri dish on DNA autoradiogram.
    Scientist examining young green plants in botanical laboratory. — Stock Photo
    Scientist examining young green plants in botanical laboratory.
    Blood in human urine in sample pots, studio shot. — Stock Photo
    Blood in human urine in sample pots, studio shot.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Athlete riding an exercise bike — Stock Photo
    Athlete riding an exercise bike
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil. — Stock Photo
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil.
    Pills in Petri dishes on gray background. — Stock Photo
    Pills in Petri dishes on gray background.
    Grains and pulses in plastic cups for agriculture research, conceptual image. — Stock Photo
    Grains and pulses in plastic cups for agriculture research, conceptual image.
    Preschooler boy undergoing logic cards test for developmental psychology test in female psychologist office. — Stock Photo
    Preschooler boy undergoing logic cards test for developmental psychology test in female psychologist office.
    Man having eye test with special equipment. — Stock Photo
    Man having eye test with special equipment.
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Doctor testing patient blood sugar for diabetes in examination room — Stock Photo
    Doctor testing patient blood sugar for diabetes in examination room
    Doctor using a lance to take a finger prick blood sample from a patient. — Stock Photo
    Doctor using a lance to take a finger prick blood sample from a patient.
    Two women working with essential oils — Stock Photo
    Two women working with essential oils
    Engineer holding dial calipers over blueprints on table. — Stock Photo
    Engineer holding dial calipers over blueprints on table.
    Female staff examining egg on digital egg monitor in egg factory — Stock Photo
    Female staff examining egg on digital egg monitor in egg factory
    Attentive female staff examining egg in egg factory — Stock Photo
    Attentive female staff examining egg in egg factory
    Female doctor performing skin prick allergy testing on boy for possible allergen. — Stock Photo
    Female doctor performing skin prick allergy testing on boy for possible allergen.