Ключевые слова: architecture, bridge, bridge in japan, components, construction, design, engineering, equipment, factory, frame, gallery, geometry, girder, gray steel, green steel, group, heavy, high, high tensile steel, highway, industrial, industry, infrastructure, japan, long span, machinery, manufactory, manufacture, material, metal, metallic, method, method of construction, over pass, processing, profile, progress, project, rod, steel, stock, structural steel, structure, support, technology, tensile strength, transportation, truss, way, weight bearing,