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によって photography33 5760x3840 px
ストック写真ID: 169557106
A student performing science experiment
Male student performing science experiment
Young scientist mixing chemical liquid for his experiment
Young chemist makes chemical test in the laboratory
Male medical laboratory young researcher performs tests with blue liquid
School laboratory and students
Laboratory researchers performs tests with blue liquid
Young students of technology and her professor
Man scientist holding test tube with blood sample
Man standing in laboratory
Man in the lab making notes
Young researchers working with chemical liquid in the laboratory
Chemistry teacher and student
Young chemist makes chemical test
Man in the lab
Liquid inside the tube
Wine laboratory
