Ключевые слова: anaesthesia, background, bottle, care, chemistry, clinic, closeup, disease, doctor, drip, drop, drop counter, droplet, dropper, drug, emergency, equipment, glucose, health, healthcare, help, hospital, indoor, infusion, injecting, injection, intravenous, liquid, macro, medical, medication, medicine, needle, operation, pandemic, patient, pipette, recovery, science, service, slowly, solution, surgeon, surgery, surgical, technology, transparent, treatment, tubing, vein,