Ключевые слова: analysis, beaker, biology, biotechnology, chemical, chemist, chemistry, design, draw, drawing, education, equipment, examination, examine, experiment, flask, flat, glass, graphic, hand drawn, icon, illustration, isolated, lab, laboratory, learning, line, linear, liquid, measure, minimal, outline, pharmacy, practice, research, science, scientific, silhouette, stream, studying, substance, supplies, technology, test, testtube, tube,