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Schoolgirl in protective goggles holding flask with chemical sample
Little girl wearing lab coat and protective glasses holding flask with green reagent
Kids in protective glasses and lab coats making experiment in chemical laboratory
Excited schoolgirl in fume after chemical experiment in scool lab
Schoolgirl holding flask with chemical sample while sitting in lab
Curly schoolboy in protective goggles looking at flasks and tubes
Small female scientist making a experiment
Little girl wearing lab coat and protective glasses holding flask with blue reagent
Schoolchild in lab coat and protective goggles looking at flask with green sample
Little girl in white coat sitting on table and holding clipboard in science laboratory
Curly schoolboy studying with tubes in chemical laboratory
Schoolgirl in protective goggles looking at test tubes in lab
Little boy wearing lab coat making notes in clipboard in science laboratory
Little boy wearing lab coat in science laboratory
Preteen schoolboy in lab coat looking at sample in test tube
