Ключевые слова: adult, analyze, background, biotechnology, chemical, chemist, chemistry, collage, crazy, dark, development, discovery, emotional, equipment, experiment, flask, fluid, formula, glass, hair, head, insane, instrument, invention, lab, laboratory, light, liquid, man, medical, medicine, microscope, mixing, person, pharmaceutical, pharmacology, preparation, professor, purple, reagents, research, science, scientific, scientist, technology, test, testtube, trouble, tube, working,