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    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Pipetting samples into microcentrifuge tubes — Stock Photo
    Pipetting samples into microcentrifuge tubes
    Forensic evidence collection with knife for DNA forensic test. — Stock Photo
    Forensic evidence collection with knife for DNA forensic test.
    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.
    Blood in human urine in sample pots, studio shot. — Stock Photo
    Blood in human urine in sample pots, studio shot.
    Police evidence including finger print, DNA swab and results. — Stock Photo
    Police evidence including finger print, DNA swab and results.
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    Urine sample container on toilet in bathroom, studio shot. — Stock Photo
    Urine sample container on toilet in bathroom, studio shot.
    Petri dishes for DNA sequencing, close-up. — Stock Photo
    Petri dishes for DNA sequencing, close-up.
    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.
    Water department engineer standing in chemical treatment room — Stock Photo
    Water department engineer standing in chemical treatment room
    Engineer with walkie-talkie inspecting solar panel at power plant — Stock Photo
    Engineer with walkie-talkie inspecting solar panel at power plant
    Side view of male worker working in glass factory — Stock Photo
    Side view of male worker working in glass factory
    Lab chemist preparing graduated cylinder for standard solution — Stock Photo
    Lab chemist preparing graduated cylinder for standard solution
    Close-up of tube and syringe in hematology laboratory with scientist in background. — Stock Photo
    Close-up of tube and syringe in hematology laboratory with scientist in background.
    Optician using slit lamp for eye examination preteen girl. — Stock Photo
    Optician using slit lamp for eye examination preteen girl.
    Lab chemist capturing a digital image of a sample slide on a microscope — Stock Photo
    Lab chemist capturing a digital image of a sample slide on a microscope
    Elementary age boy in ophthalmology glasses reading visual chart while visual acuity test. — Stock Photo
    Elementary age boy in ophthalmology glasses reading visual chart while visual acuity test.
    Preteen boy undergoing lung function test with female nurse. — Stock Photo
    Preteen boy undergoing lung function test with female nurse.
    Pipette bottles in tray with allergens. — Stock Photo
    Pipette bottles in tray with allergens.
    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.
    Close-up of petri dishes and dropping pipette for genetic research. — Stock Photo
    Close-up of petri dishes and dropping pipette for genetic research.
    Elementary age boy in ophthalmology glasses while eye examination in clinic. — Stock Photo
    Elementary age boy in ophthalmology glasses while eye examination in clinic.
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption. — Stock Photo
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption.
    Scientist hands holding urine sample in container and chart, studio shot. — Stock Photo
    Scientist hands holding urine sample in container and chart, studio shot.
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Vials with red and blue liquids. — Stock Photo
    Vials with red and blue liquids.
    Lab chemist placing a sample slide on a microscope stage — Stock Photo
    Lab chemist placing a sample slide on a microscope stage
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Test tubes with urine samples for analysis on white background, studio shot. — Stock Photo
    Test tubes with urine samples for analysis on white background, studio shot.
    Female biologist in white coat pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist in white coat pouring water into test tube with dissolved samples of soil in laboratory.
    Urine sample and diagnostic dipstick on surgical tray. — Stock Photo
    Urine sample and diagnostic dipstick on surgical tray.
    Female patient at eye examination in ophthalmology clinic. — Stock Photo
    Female patient at eye examination in ophthalmology clinic.
    Test tubes rack with urine samples for analysis, studio shot. — Stock Photo
    Test tubes rack with urine samples for analysis, studio shot.
    Blood samples for testing in microcentrifuge tubes. — Stock Photo
    Blood samples for testing in microcentrifuge tubes.
    Close-up of scientist holding blood testing microtubes. — Stock Photo
    Close-up of scientist holding blood testing microtubes.
    Urine samples in containers for analysis, studio shot. — Stock Photo
    Urine samples in containers for analysis, studio shot.
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    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.
    Medical testing microscopes and equipment in laboratory. — Stock Photo
    Medical testing microscopes and equipment in laboratory.
    Technician pipetting samples into cartridges for solid phase extraction. — Stock Photo
    Technician pipetting samples into cartridges for solid phase extraction.
    Technician examining machine at industrial factory — Stock Photo
    Technician examining machine at industrial factory
    Close-up of tube and syringe in hematology laboratory with scientist in background. — Stock Photo
    Close-up of tube and syringe in hematology laboratory with scientist in background.
    Close up of worker using soldering iron in glass factory — Stock Photo
    Close up of worker using soldering iron in glass factory
    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 multichannel pipette with green liquid pipetting into multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid pipetting into multiwell plate in laboratory.
    Lab technician holding sample in flame — Stock Photo
    Lab technician holding sample in flame
    Elementary age boy in ophthalmology glasses reading visual chart while visual acuity test. — Stock Photo
    Elementary age boy in ophthalmology glasses reading visual chart while visual acuity test.
    Lab technician removing sample vial cap — Stock Photo
    Lab technician removing sample vial cap
    Man testing VR glasses on dark background — Stock Photo
    Man testing VR glasses on dark background
    Optician using slit lamp for eye examination preteen girl. — Stock Photo
    Optician using slit lamp for eye examination preteen girl.
    African American man working in a microbrewery, holding a pint of beer and a keg, with vats and wooden barrels in the background. — Stock Photo
    African American man working in a microbrewery, holding a pint of beer and a keg, with vats and wooden barrels in the background.
    Urine sample for analysis and test strip with chart, studio shot. — Stock Photo
    Urine sample for analysis and test strip with chart, studio shot.
    Asian girl with mother having eye test in clinic. — Stock Photo
    Asian girl with mother having eye test in clinic.
    Engineer holding dial calipers over blueprints on table. — Stock Photo
    Engineer holding dial calipers over blueprints on table.
    Close-up of petri dishes and hand with pipette for genetic research. — Stock Photo
    Close-up of petri dishes and hand with pipette for genetic research.
    Water department engineer standing in chemical treatment room — Stock Photo
    Water department engineer standing in chemical treatment room
    Microbiologist taking bacterial sample on microscope slide. — Stock Photo
    Microbiologist taking bacterial sample on microscope slide.
    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
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab. — Stock Photo
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab.