Ключевые слова: abstraction, blue, careful, cloud, concept, construction, crisscross, cross, crossroad, danger, directional, dividing, girder, going, gravel, gray, industry, intersection, junction, line, merging, node, rail, railroad, railway, road, rust, sign, sky, steel, stop, structure, symbol, thoroughfare, tie, traffic, train, transport, transportation, tree, wait, warning, way,