Ключевые слова: algae, autumn, blockage, building, clean, clearing, clogged, clutter, collection, collector, concept, congestion, construction, culvert, detail, dike, dirt, exterior, fall, fallen leaves, growing, growth, gutter, home, house, inside, lead, leaf, leaves, lichen, material, metal, moss, obstruction, outdoors, outside, piled, piled up, plant, rain water, rainwater, removal, removing, roof, spring, summer, tree, water, wet, yellow,