Ключевые слова: adventure, air, aluminum, argon, background, bottle, care, clean, collection, compressed, container, control, cream, cylinder, danger, design, dispenser, doctor, doctor equipment, equipment, gas, green, health, helium, holiday, hospital, icon, illustration, industrial, isolated, leisure, liquid, mask, medical, medical equipment, metal, metallic, nurse, object, oxygen, pressure, regulator, scuba, sign, silver, spray, steel, tank, therapy,