Ключевые слова: air pollution, air quality, alertness, architecture, awareness, building, building activity, cadastral, cadastre, city, concept, concepts, construction, construction industry, contaminant, contaminants, contamination, danger, environment, gas, house, indoor, indoors, lung cancer, map, mesothelioma, natural gas, planning, poisonous, pollution, precaution, prevention, protection, radiation, radioactive, radioactive contamination, radon, radon gas, radon test, residential, risk, safe, safety, social issues, soil, survey, testing, town, warning,