Ключевые слова: abstract, atom, atomic, biology, chemistry, circle, core, device, doctor, electron, element, energy, experiment, finger, hand, healthcare, holding, laboratory, man, medical, medicine, mobile, model, molecular, molecule, neutron, nuclear, nucleus, orbit, particle, phone, physics, power, proton, research, science, scientific, shape, sign, smartphone, stethoscope, structure, symbol, technology, touching,