Usmívající se chlapec drží baňku s tekutinou v blízkosti vážné dívky v brýlích - Stock fotografie a obrázky
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ID fotografie z fotobanky: 615711726
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Little scientists adding color dye into beakers
"Little boy scientist enjoy to examine the color chemical in laboratory by using dropper and also interest little girl examine. Concept of good practice and education of science for children support."
Kids working on scientific experiment in school laboratory
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