Ключевые слова: apparatus, aromatherapy, chemical, chemist, chemistry, class, demonstration, development, distillation, education, element, equipment, erlenmeyer, essence, essential, extract, extraction, extractor, flask, fluid, glass, health, herbal, instrument, laboratory, liquid, oil, organic, pharma, pharmaceutical, pharmacist, pharmacology, plant, reflux, research, school, science, scientific, scientist, solution, soxhlet, study, technician, technology, thimble, water,