Ключевые слова: abstract, alertness, background, broken, building, building activity, building feature, built structure, cement, collapse, collapsed, collapsing, concept, concepts, concrete, concrete block, concrete construction, concrete slab, concrete wall, construction, construction industry, construction material, crack, cracked, cracked concrete, cracking, cracks, crevice, damaged, deterioration, disruption, fault, fissure, fissured, fissures, fracture, framework, grey, material, reinforced, reinforced concrete, reinforcement, restructure, restructuring, slab, structure, surface, texture, wall, wall building feature,