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Close up of 96-well microtiter plate with crystal violet solution to examine toxicity
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High angle view of male electrician repairing electronic equipment in workshop
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Laboratory technician preparing human chemistry sample for medical testing in laboratory
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Scientist preparing blood samples for clinical testing in laboratory
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Female cell biologist holding a flask containing stem cells, cultivated in red growth medium, to investigate disease
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Scientist viewing sample on glass slide through microscope for medical testing
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Cell biologist holding a flask containing stem cells, cultivated in red growth medium, to investigate diseases
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Close up of scientists hands selecting a blood sample for medical testing
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Hair sample collected from crime scene for genetic testing in laboratory
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DNA sample being pipetted into petri dish with DNA gel in background
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Close up of female scientist examining micro organisms in petri dish
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Coffee roasters with clipboard talking and tasting coffee in meeting
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Mid adult male technician checking quality of products in engineering plant
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Close up of 96-well microtiter plate with crystal violet solution to examine toxicity
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Eppendorf tubes in a row with petri dishes awaiting experiment in lab
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Profile view of young male scientist looking at small test tube in laboratory
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Stem cell research. Female scientist examining cell cultures in multiwell tray
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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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Doctor preparing to view blood sample under microscope in laboratory for medical testing
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A blood sample being held with a row of human samples for analytical testing including blood, urine, chemistry, proteins, anticoagulants and HIV in lab
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Pipette dropping a solution into a vial, used for storing liquid during chemical or biological research
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Stem cell research, nuclear transfer of embryonic stem cells used in cloning for medical research
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Scientist viewing sample on a glass slide through microscope for medical testing
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Two baby soothers in petri dishes illustrating boy and girl designer babies and genetic engineering
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DNA sample being pipetted into petri dish with DNA gel in background
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Scientist viewing various human samples for testing in the laboratory
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Farmer working in field, holding potatoes and looking at camera, Germany
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Female scientist viewing various human samples for testing in the laboratory
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Female scientist viewing cultures growing in petri dishes with a biohazard tape on in a microbiology lab
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Engineer measuring manufactured component for accuracy and quality control
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Scientist writing a sample report in the laboratory of water treatment plant
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