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Scientist hand warming tweezers. Science laboratory research. Research laboratory experiment. Chemical experiment with candle flame. Sterilize equipment before experiment
Hand holding petri dish. Tweezers and piece of paper. Take a sample for experiment. Task for a scientist.
Chemistry doctor putting tabletes with tweezers into lab tube and observing the experiment reaction in big modern lab
Hand with tweezers. Person working with scientific equipment. Filtering the substance. Busy day in medical lab.
Hand of scientist with tweezers. Person works with lab equipment. I need paper filter. Uncover the secrets of science.
Hand holding beaker with fluid. Liquid splashing inside flask. Be careful with the reagent. Experiments and results.
Scientist hand performing laboratory testing. Laboratory experiment with candle flame. Close up of researcher hand warming tweezers for lab research
Two multiracial research scientists making experiments with different organic materials and instruments. Woman working with tweezers and plant leaf. Man - with magnifying glasses and stone.
Hand in glove holding beaker. Transparent liquid in a flask. Scientist continues experiment. Find the right formula.
Portrait of serious attractive african american female doctor in uniform adjusting protective medical sterilized glove before medical checkup indoors, expressing confidence and determination.
Confident african american female general practitioner putting on sterilized medical gloves to protect and care of patient before medical checkup in domestic interior, looking serious and concentrated
The adult doctor carefully washes his hands under the water in the sink before putting on latex gloves and proceeding to examine or treat the patient.