Ключевые слова: account, au, backed, backing, bar, barter, based, close, detail, driven, driver, economical, economy, element, expensive, fine, geological, gold, grams, greed, holdings, industry, invest, investment, market, measure, metal, mineral, mining, object, once, percentage, physical, piece, polished, poured, precious, price, savings, shiny, solid, stable, standard, trade, treasure, valcambi, valuable, value, vault, wealth,