23,497 images for test

  • 6117-07587014

    Brewery worker extracting beer from beaker near barrels

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    Close up of 96-well microtiter plate with crystal violet solution to examine toxicity

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    Male electrician repairing electronic equipment in workshop

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    Worker inspecting painted parts in sheet metal factory

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    Worker inspecting newly cut parts in sheet metal factory

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    Cropped image of scientist holding microscope slide over box at laboratory

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  • 6113-07731171

    Students and teacher examining globe in classroom

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  • 6117-08517280

    Engineer examining liquid beaker below pipelines gas plant

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  • 649-07596086

    Female scientist examining micro organisms in petri dish

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  • 641-08010106

    Germany, Bavaria, Volkach, winegrower smelling at grapes

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  • 649-07585091

    Female cell biologist holding a flask containing stem cells, cultivated in red growth medium, to investigate disease

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  • 641-07965637

    Electrician testing wires

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  • 679-07607675

    Genetics research.

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  • 649-07520615

    Female scientist holding paperwork in laser laboratory

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  • 6117-08517277

    Male engineer examining liquid in beaker gas plant

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  • 698-07588271

    High school boy studying at desk in classroom

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  • 649-07520385

    Workers using spring testing equipment for automotive use

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  • 649-08060580

    Engineer testing automotive part in factory

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    Worker in protective eyewear using spring testing equipment for automotive use

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  • 698-07588242

    High school girl studying at desk in classroom

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  • 614-09027085

    White rat in cage, laboratory workers peering into cage

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  • 649-07585089

    Cell biologist holding a flask containing stem cells, cultivated in red growth medium, to investigate diseases

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  • 649-06829971

    DNA sample being pipetted into petri dish with DNA gel in background

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  • 649-06489618

    Worker monitoring water at coal mine

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  • 698-07588381

    Happy young university student relaxing on table in common room

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    Brewery worker pouring beer from beaker into flask

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  • 649-08548590

    Engineer testing vehicle exhaust system in anechoic chamber

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  • 679-08518316

    Mid adult woman taking a pregnancy test looking upset.

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  • 649-08125921

    Scientist viewing sample on glass slide through microscope for medical testing

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  • 641-07847965

    Senior woman holding trial frame

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  • 649-08060566

    Engineer inspecting automotive engine in test facility

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  • 649-08479876

    Laboratory technician preparing human chemistry sample for medical testing in laboratory

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  • 649-07063775

    Optician looking through ophthalmoscope

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  • 641-07847939

    Eye doctor examining girl's vision

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  • 679-06673851

    Performance testing. Athlete running on a treadmill while his performance and oxygen consumption are measured.

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  • 6113-07791012

    Woman trying on perfume in drugstore

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  • 679-07608187

    Vials of blood samples.

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  • 649-07118812

    Female scientists with clipboard in laboratory

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  • 649-08479614

    Laboratory worker testing oil samples

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  • 649-07585609

    Engineer inspects baggage handling truck in truck repair factory

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  • 619-08169494

    Caucasian barista smelling coffee in cup

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  • 649-07804023

    Hair sample collected from crime scene for genetic testing in laboratory

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  • 6117-07586776

    High school students taking test in classroom

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  • 635-07670803

    Happy woman looking at pregnancy test

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  • 826-07356706

    X-ray of jawbone in a dental surgery

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  • 6117-08579974

    Environmental scientist testing water on sunny beach

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  • 649-07063778

    Optician and patient in eye clinic

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  • 649-06164780

    Scientist using test strips in lab

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  • 649-08306952

    Female scientist testing samples in laboratory

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  • 679-08781978

    Blood samples in blood test tubes.

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  • 649-07596085

    Close up of female scientist examining micro organisms in petri dish

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  • 6117-08558296

    Scientists with digital tablet working together in laboratory

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  • 649-08306951

    Scientists testing samples in laboratory

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  • 679-06673850

    Performance testing. Athlete running on a treadmill while his performance and oxygen consumption are measured.

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  • 635-05550780

    Scientist examining liquid in test tube outdoors

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  • 649-07118789

    Close up of 96-well microtiter plate with crystal violet solution to examine toxicity

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  • 649-07520389

    Worker holding and testing yellow spring

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  • 679-06198282

    Pipetting liquid into a test tube.

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  • 649-08060565

    Engineer inspecting automotive engine in test facility

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  • 649-07520696

    Engineer using ultraviolet light to test for cracks in gear wheel, portrait

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  • 6117-08558241

    Serious scientist examining specimen in laboratory

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  • 822-07117528

    Petri Dishes with Wheatgrass Powder

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  • 649-07520384

    Worker holding clipboard and using spring testing equipment for automotive use

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  • 649-07760893

    Male electrician looking down at circuit board in workshop

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  • 6117-07586766

    High school students taking test in classroom

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  • 641-07847936

    Eye doctor examining girl's vision

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  • 6117-08558201

    Scientist conducting scientific experiment in GMO laboratory

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  • 649-07520388

    Worker testing equipment on production line

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  • 619-06936615

    Mixed race girl holding paper with A+ grade

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  • 649-07279858

    Eppendorf tubes in a row with petri dishes awaiting experiment in lab

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  • 6109-07497755

    Profile view of young male scientist looking at small test tube in laboratory

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  • 649-05802381

    Scientist dropping liquid on peas in pod

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  • 698-06374980

    Happy young woman studying with friends in university canteen

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  • 649-07736908

    Worker inspecting painted parts in sheet metal factory

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  • 619-08205415

    Hispanic man holding keys to new car

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  • 641-08010092

    Germany, Bavaria, Volkach, winegrower testing grapes

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  • 649-06489579

    Ecologist examining water in creek

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  • 649-06041595

    Chemistry students examining models

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  • 649-08238659

    Female worker using magnifying glass at quality check station for a factory producing flexible electronic circuit boards. Plant is located in the south of China, in Zhuhai, Guangdong province

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  • 649-07710333

    Pipette dropping a solution into a vial, used for storing liquid during chemical or biological research

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  • 649-08548583

    Engineer with car engine in testing bay of automotive parts factory

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  • 632-08130287

    Scientist examining test tube

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  • 649-06845248

    Portrait of scientist with lab equipment and machinery

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  • 641-07733743

    Female food analyst working in laboratory

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  • 679-07151134

    Genetic research.

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  • 632-08130042

    Scientist scrutinizing test tubes containing blue liquid in lab

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  • 649-07560493

    Female scientist about to view a blood sample under a microscope

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  • 649-08060578

    Engineer testing automotive part in factory

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  • 649-07520397

    Workers using digital tablet for testing springs in laboratory

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  • 679-06198624

    Food research, conceptual image.

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