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    Lab technician using flame test probe to gather sample from vile — Stock Photo
    Lab technician using flame test probe to gather sample from vile
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Boy wearing headphones as having hearing test, female doctor putting hand on kid shoulder. — Stock Photo
    Boy wearing headphones as having hearing test, female doctor putting hand on kid shoulder.
    Senior man exhaling into peak flow reader. — Stock Photo
    Senior man exhaling into peak flow reader.
    Female staff examining eggs quality in lighting control in egg factory — Stock Photo
    Female staff examining eggs quality in lighting control in egg factory
    Biologist hand with protective glove holding trowel with soil above samples separated in containers. — Stock Photo
    Biologist hand with protective glove holding trowel with soil above samples separated in containers.
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    Close-up of petri dish and dropping pipette for genetic research. — Stock Photo
    Close-up of petri dish and dropping pipette for genetic research.
    Side view of female worker working in glass factory — Stock Photo
    Side view of female worker working in glass factory
    Woman testing red and white wine — Stock Photo
    Woman testing red and white wine
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office. — Stock Photo
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office.
    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    Lab technician igniting Bunsen burner — Stock Photo
    Lab technician igniting Bunsen burner
    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
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Cropped image of staff examining egg in factory — Stock Photo
    Cropped image of staff examining egg in factory
    Happy Carpenter standing near repaired door at home — Stock Photo
    Happy Carpenter standing near repaired door at home
    Doctors practicing tracheal intubation on infant training dummies. — Stock Photo
    Doctors practicing tracheal intubation on infant training dummies.
    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.
    Technician operating machine at industrial factory — Stock Photo
    Technician operating machine at industrial factory
    Caucasian man wearing high visibility vest, working in a microbrewery, checking dark glass bottles of beer on a conveyor belt. — Stock Photo
    Caucasian man wearing high visibility vest, working in a microbrewery, checking dark glass bottles of beer on a conveyor belt.
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Senior man using peak flow meter, close-up. — Stock Photo
    Senior man using peak flow meter, close-up.
    Urine samples for analysis and test strip, studio shot. — Stock Photo
    Urine samples for analysis and test strip, studio shot.
    Testing blood sample from a multi well plate during a clinical investigation. — Stock Photo
    Testing blood sample from a multi well plate during a clinical investigation.
    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.
    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.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    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.
    Teenage girl performing experiment in chemistry lab — Stock Photo
    Teenage girl performing experiment in chemistry lab
    Police evidence including finger print, DNA swab and results. — Stock Photo
    Police evidence including finger print, DNA swab and results.
    Water department technician using flow rate sensor — Stock Photo
    Water department technician using flow rate sensor
    Attentive female staff examining eggs in factory — Stock Photo
    Attentive female staff examining eggs in factory
    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.
    Pills in a Petri dish — Stock Photo
    Pills in a Petri dish
    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.
    Brown beans in plastic cup for agriculture research, conceptual image. — Stock Photo
    Brown beans in plastic cup for agriculture research, conceptual image.
    Vintner barrel tasting red wine in stainless steel vat — Stock Photo
    Vintner barrel tasting red wine in stainless steel vat
    DNA home test kit. — Stock Photo
    DNA home test kit.
    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.
    Stool culture, colorful image — Stock Photo
    Stool culture, colorful image
    Nurse applying plaster to girl hand. — Stock Photo
    Nurse applying plaster to girl hand.
    Rear view of man with backpack standing on beach and testing drone in air — Stock Photo
    Rear view of man with backpack standing on beach and testing drone in air
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Eggs in lighting control quality in egg factory — Stock Photo
    Eggs in lighting control quality in egg factory
    Female immunologist performing skin prick allergy testing on preschooler boy. — Stock Photo
    Female immunologist performing skin prick allergy testing on preschooler boy.
    Metal door to clean room — Stock Photo
    Metal door to clean room
    Mother watching daughters sticking toes in water on lakeside dock — Stock Photo
    Mother watching daughters sticking toes in water on lakeside dock
    Happy black woman in optometry cabinet during study of the eyesight — Stock Photo
    Happy black woman in optometry cabinet during study of the eyesight
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis. — Stock Photo
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis.
    Water department technician installing a snow stake — Stock Photo
    Water department technician installing a snow stake
    Carpenter fixing door lock at home — Stock Photo
    Carpenter fixing door lock at home
    Urine sample in tube on surgical tray. — Stock Photo
    Urine sample in tube on surgical tray.
    Eggs in lighting control quality in egg factory — Stock Photo
    Eggs in lighting control quality in egg factory
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus — Stock Photo
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus
    Variety of potential drugs in petri dish on DNA autoradiogram. — Stock Photo
    Variety of potential drugs in petri dish on DNA autoradiogram.
    Cropped image of Female worker examining egg on digital egg monitor in egg factory — Stock Photo
    Cropped image of Female worker examining egg on digital egg monitor in egg factory
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    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.