Ключевые слова: air, air pollution, air quality, air quality testing, cancer, chemical, communication, concept, concepts, danger, dangerous, environment, environmental damage, gas, graphics, hazard, healthy lifestyle, illness, indoor air quality, infographic, information, information equipment, information medium, lung cancer, lung disease, mesothelioma, message, natural gas, noble gas, poisonous, polluted, pollution, radiation, radioactive, radioactive contamination, radioactivity, radon, radon gas, radon test, radon testing, radon text, risk, safety, security, text, text messaging, warning sign, word,