Ключевые слова: aids, analyzing, background, bacterium, biology, biotechnology, blue, cancer, chemical, chemist, chemistry, computer, concepts, discovery, dose, education, epidemic, equipment, experiment, glasses, glove, healthcare, human, infection, invention, laboratory, liquid, medical, medicine, nobody, organism, preparation, property, protective, render, research, science, scientific, substance, technology, test, tool, toxic, tube, tubing, vial, workwear,