Laboratory worker pours the chemical liquid into the flask
Preschooler girl student pours dry powder yeast into glass bottle providing experiment with African-American teacher in classroom closeup slow motion
A women pour liquid from one flask to another
A person transfers liquid between flasks
Chemist pours liquid into flask. Stock footage. Chemist conducts experiment with flask and liquid substance. Laboratory experiment, close up
Scientist hand pouring liquid in glass flask close up. Woman scientist working with liquid. Female scientist pouring pink liquid in lab flask. Scientific research. Scientist using micropipette
Student conducts chemical test under scientist's supervision in laboratory (closeup)
Lab doctor pouring transparent liquid in lab flask with pipette. Medical research in laboratory. Clinical trial in medical lab. Close up of lab worker pouring chemical liquid in flask