Ключевые слова: aerated, below, building, building activity, casting, concept, concepts, conceptual, concrete, condensation, construction industry, construction site, crawl space, crushed stone, danger, dangerous, digging, dry, excavation, floor, flooring, foundation, gas, gravel, home, house, humidity, humidity moisture, ideas, interior, paving, radon, radon gas, radon test, residential building, roadbed, room, sand, sign, soil, space, stability, stop, stop icon, stop sign, stratification, stratified, under, ventilated, ventilation, wall, wall building feature, wet,