A serious lab technician studies test tubes with assays
Lab worker pours chemicals from a test tube into a flask
Lab worker pours chemicals from a test tube into a flask
One lab technician hands over test tubes to his colleague for researches
A close-up of the hands of a lab technician who passes the test tubes with analyzes to his colleague
Lab worker examines a test tube
The girl in the lab conducting experiments. Prepares test tubes.
Scientist pours chemicals from a test tube into a flask, triggering an intense chemical reaction
Researcher pours chemicals from a test tube into a flask, triggering an intense chemical reaction
Woman chemist analyzing substance in test tube for science experiment in laboratory. Biology specialist with protective glasses and gloves using flask and lab glassware for innovation.
Flushing of test tubes. Stock footage. In a special laboratory, test tubes are washed after chemical reactions using special cleaning