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Laboratory pipette with drop of red liquid over Petri dishes with red biological analysis solution contaminated by infectious bacteria growth for a biotechnology experiment in a science research lab.
Blood analysis - blood dripping from pipette to petri dish
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wasja
Hand with a test tube and grass. Fertilizer
Hand with chemical bottle isolated on white background
Water Purity Test, liquid in laboratory glassware
Water Purity Test, liquid in laboratory glassware
Water Purity Test, clear liquid in laboratory glassware
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