Ключевые слова: aggregates, beach, building material, bunch, clay, construction, construction material, gravel excavation, gravel extraction, gravel mining, gravel mountain, gravel pit, gravel quarry, gravel quarrying, hill, labeled, letter, mountain, outdoors, particle size, sand, sand extraction, sand mining, sand mountain, sandy, sandy beach, scripture, sieved, sifted outside, structure, word,