Laboratory assistant and his pupil looks on the steaming liquid in a flask
Laboratory assistant mixing red liquid in a flask
Two colleagues of laboratory assistants communicate during a break at work
Lab assistant is pouring liquid into flask during working day at pharmaceutical company spbd. Closeup view of chemist works with chemical fluids and glassware at table in pharma laboratory
Laboratory assistant at work
Laboratory assistant put dry ice into a colorful liquids
Woman scientist mixing together two liquid substances. Scientific discoveries spbas . Laboratory assistant pouring yellow and blue reagents, conducting experiments. concept reaction
successful laboratory assistant at work
Laboratory assistant makes chemical experiments with colorful liquids with pupil
laboratory assistant man is working with analysis and samples of chemicals, applying liquid from test tube in plate
A doctor in rubber gloves dials liquid reagents into a syringe. Laboratory assistant conducts laboratory studies
Female laboratory assistant working with microscope in medical laboratory.