Laborforscher. Frau trägt Schutzmaske. Laborexperimente machen. Testen Sie Ihr Blut. Wissenschaftler mit Mundschutz und Handschuhen im Reagenzglas mit roter Substanz. Ermittler überprüfen Reagenzgläser. - Stockfoto & -bild

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Test your blood. scientist in face mask and gloves holding test tube with red substance. Investigator checking test tubes. woman wears protective mask. Making lab Experiment. Black and white.

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Teen girl builder in protective helmet use tape measure, measurement.

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