Ключевые слова: activity, architecture, assembly, beams, building, cargo, cement, civil engineering, concrete, concrete frameworks, construction site, construction worker, crane, development, elements, excavator, frame, freight, hall, heavy, heavy duty, hydraulic, industrial, industry, infrastructure, lifting, loader, machinery, overload, pillars, precast, prefabricated, process, shutterings, steel frame, structure, tower crane, trailer, transportation, truck, unloading, workers, working,