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ストック写真ID: 170632552
Three excited funny children after chemical experiment in lab
Kids making science experiments in laboratory. education
Three little students on chemistry lesson in lab doing an experiment
Schoolboy gown and gloves watching chemical experiment in tube in chemistry lab
Pop-eyed funny boy after chemical experiment in chemistry lab with fume
Schoolboy in chemistry lab got an idea practising experiments
Schoolgirl in white gown doing experiments with liquids in chemistry lab
Little smarl girl in white gown in chemistry lab doing an experiment
Excited schoolgirl in fume after chemical experiment in scool lab
Schoolgirl in chemistry lab in white gown pointing at formula on blackboard near table with reagents
