Ключевые слова: alchemist, analysis, beaker, biology, books, chemical, chemist, chemistry, coat, contemplating, crazy, discovery, doctor, education, equipment, experiment, flask, formula, funny, glass, glasses, goggles, humor, humorous, inventor, lab, laboratory, liquid, mad, magnifier, magnifying, man, medical, medicine, microscope, mixture, old, professor, reaction, research, science, scientific, scientist, steam, study, test, thinking, thoughtful, tube, tubing,