Ключевые слова: acid, apparatus, aqua, autoclave, bacteria, base, biochemistry, chemical, clean, dental, development, dissolution, drop, dropper, drug, ecology, element, equipment, examination, experiment, fluid, general practioner, germfree, germs, glass, industry, instruments, lab, liquids, machine, measure, medical, pharmacist, pharmacology, pharmacy, physician, professor, research, sanitary, serilise, steam, sterile, sterilize, sterilizer, student, substance, surgical reaction, table, water,