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ストック写真ID: 303582298
Laboratory worker writing down chemical research results, conducting experiments
Boy in protective gloves and glasses writing down chemical experiments results
Schoolboy conducting chemical researches and writing reaction result, innovation
Unrecognizable young student doing experiments in the laboratory. experience in the lab. Science and education concept
Female chemist observing reaction holding test tube in hand, experimentation
Female scientist in laboratory looking to camera, equipment standing on table
Boy in protective glasses pouring chemical substance in tube, checking reaction
Schoolboy watching reaction in tube with green liquid, chemistry lessons
Little chemist in protective glasses checking reaction in tube with green liquid
Clever schoolboy adding drops of agent into tube with green reagent, chemistry
Smiling boy in protective glasses conducting chemical experiments in class
Clever boy writing down result of chemical experiment, laboratory work at school
