Ключевые слова: agriculture, agronomy, aquariums, beach, beach nourishment, brick, cob, concrete, dry quicksand, farming, glass, heavy mineral sands ore deposits, husbandry, mortar, oil sands, paint, particle size, quicksand, rural economy, sand, sand animation, sand casting, sand island, sand rat, sandblasting, sandstorm, singing sand, tar sands, texture, zoanthid,