Ключевые слова: arm, autumn, backhoe, blue, bridge, bucket, civil engineering, construction, construction machinery, digger, digging, dredging, embankment, excavator, ground, heavy, heavy machinery, hydraulic, hydraulic excavator, hyogo prefecture, industrial, industry, japan, landscape, machine, machinery, muko river, nature, outdoor, park, pond, reflection, river, river conservation work, riverbank, riverbed, sand, scenic, scoop, shovel, sky, soil, special vehicle, sunny, view, water, work, yellow,