Ключевые слова: architecture, block, build, builder, cement, concrete, construction, development, ditch digging, drain, engineer, engineering work, grating, gutter, industry, installation, japan, kanagawa, landscape, level, measurement, road, road gutter, roadway, roadworks, side, side ditch, sidewalk, street, street drain, street gutter, surveying, surveyor, work, worker, workman,