Ключевые слова: bank, brick, business, chemical elements, commerce, copper, copper nugget, currency, digger, economy, element, finance, geology, gloss, gold, gold nugget, goldsmith, group, industrial metals, invest, investment, luxurious, luxury, metal, metallic, mine, mineral, mining, money, much, native, natural resource, nature, noble, nuget, nugget, nuggets, precious metals, pure, raw materials, reserve, rich, savings, silver, silver nugget, solid, stone, treasure, value, worth,